Pre-Race Nutrition Strategy: The Complete Guide to Glycogen Loading and Gut Management from One Week Out to the Starting Line

Starting with a Case of “Trained Well but Blew Up Anyway”

I once coached a rider preparing for the Wuling Challenge—let’s call him A-Kai. His training volume was solid, his FTP had improved to 3.8 W/kg, and he’d hit nearly every long climbing workout in the month before the race. By all accounts, he should have had something left in the tank for that final steep stretch up Hehuan Mountain. But on race day, he started fading before Kunyang—his legs felt like lead, his heart rate was only 150 bpm, yet he couldn’t turn the pedals no matter what. In the end, he had to dismount and walk the final section on sheer willpower.

When we reviewed the race afterward, I asked him what he’d eaten in the three days before. He said proudly: “I was afraid of gaining weight, so I deliberately ate less and even did some intervals to ‘empty out.’” —And there was the problem. He’d thrown away all that hard-earned fitness on a completely avoidable nutritional mistake: his glycogen wasn’t topped off—he showed up with a half-empty tank.

Over the years, I’ve hammered one point home to my athletes: What you eat in the week before the race often matters more than what you eat the night before. Training determines how big your engine is, but pre-race nutrition determines how full your fuel tank is when you roll to the start line. In this article, I’ll break down the nutrition strategy from “one week out to the starting line” into three pillars—glycogen loading, the pre-race meal, and gut management—and walk you step by step through getting your body into peak condition. This isn’t pseudoscience; it’s grounded in physiology and highly actionable.

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The Foundation: Why Glycogen Matters So Much

Your Two Fuel Tanks: Glycogen and Fat

The body’s energy sources for prolonged exercise are primarily glycogen (the stored form of carbohydrates) and fat. Fat reserves are nearly limitless, but they “burn” slowly and suit low-intensity efforts; glycogen is like high-octane gasoline—it can support higher-intensity output, but the total supply is limited.

In a typical adult, glycogen is stored in two main places: muscles (for direct use by working muscles) and the liver (responsible for maintaining blood sugar stability and fueling the brain). Combined, these two stores don’t hold all that much energy—which is why for moderate-to-high-intensity exercise lasting beyond roughly 90 minutes, glycogen depletion becomes the primary cause of “hitting the wall.” When muscle glycogen runs dry, you experience exactly what A-Kai felt: “heart rate isn’t high, but you can’t push the pedals.” When liver glycogen runs dry and blood sugar drops, you also get dizzy, lose focus, and feel your mood sink.

When Do You Actually Need Serious Glycogen Loading

Let’s clear up a myth first: not every race requires “carbohydrate loading.”

According to the consensus in the international sports nutrition and sports medicine community, glycogen supercompensation mainly applies to moderate-to-high-intensity endurance events lasting more than about 90 minutes. In other words:

• A 40 km flat time trial or short road race finishing within 90 minutes: maintain your normal balanced carbohydrate intake—no deliberate supercompensation needed.
• Wuling Challenge, 200 km long-distance rides, full marathons, Ironman: for events lasting 3+ hours, glycogen loading is the key to whether you “still have legs” in the second half.

The judgment principle is simple: the longer the event, the higher the intensity, and the closer it is to your performance ceiling, the greater the value of glycogen loading.

What “Hitting the Wall” Actually Feels Like

Many athletes don’t realize the first time they hit the wall that it’s glycogen depletion. Let me describe it so you can recognize it in time on race day: it starts with power suddenly dropping off—your breathing and heart rate feel fine, but your legs seem to have had the strength drained out of them; then comes an inexplicable low mood, a desire to quit, feeling like the world has turned gray (a classic sign of low blood sugar affecting the brain); in severe cases, you’ll get dizzy, shaky hands, cold sweats, and scattered attention.

This is different from “plain muscle soreness and fatigue”—soreness is localized and predictable; hitting the wall is systemic and hits fast and hard. Understanding this difference matters, because the fix for hitting the wall is “get carbs in quickly and lower the intensity,” not “grit your teeth and push through.” Of course, if you fill your glycogen stores before the race and fuel well during it, that dramatic wall-hitting scene will stay far away from you. That’s exactly what this entire article is trying to help you avoid.

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The Science of Glycogen Loading: Amount, Timing, and Method

The Modern Approach: No “Depletion Phase” Needed

A lot of older material still talks about the classic Bergström method: “do a depletion workout a week before the race to empty glycogen, then binge on carbs for a rebound.” Honestly, for the average athlete, this approach is high-risk, feels terrible, and has poor cost-benefit: the depletion phase leaves you exhausted and irritable, suppresses your immune system, and makes it easy to catch a cold at the worst possible time.

Modern sports science has confirmed that trained endurance athletes don’t need a miserable depletion phase—simply raising carbohydrate intake substantially for 1 to 3 days before the race can effectively fill muscle glycogen to peak levels. This is great news for amateur riders and runners: you can achieve the same result in a gentle, comfortable way.

Specific Dosing: How Much Carbohydrate Is Enough

According to mainstream endurance nutrition recommendations, carbohydrate intake during the loading period adjusts based on the number of loading days. Use the following reference table:

Loading Strategy	Start Time	Daily Carbohydrate Intake	Best For
Short version supercompensation	1–2 days before race	10–12 g per kg body weight	Experienced athletes with high gut tolerance
Medium version supercompensation	2.5–3 days before race	7–8 g per kg body weight	Most amateur riders/runners
Gentle loading	3 days before race	6–7 g per kg body weight	First-timers, those with sensitive guts

(Source: Precision Hydration, Gatorade Sports Science Institute, and other endurance nutrition guidelines; see references at the end)

I usually recommend my athletes start with the “medium” approach: about 3 days before the race, 7–8 g of carbohydrate per kg of body weight per day. For example, a 65 kg rider would need about 455–520 g of carbs per day. That sounds like a lot, but when you convert it to actual food, you’ll find it’s really just “bumping up your rice and noodle portions at each meal, plus sports drinks and fruit”—no need to force-feed yourself to the point of nausea.

To give you a clearer picture, I’ve converted “per gram of carbohydrate” into common Taiwanese foods so you can estimate portions easily. These numbers are approximate and will vary by item and cooking method:

Common Taiwanese Food	Approximate Portion	Carbs Provided (approx.)
White rice	1 bowl (about 150 g cooked)	About 55 g
White toast	1 slice	About 15 g
Medium banana	1 piece	About 25 g
Onigiri (rice ball)	1 piece	About 35–40 g
Sports drink	600 ml	About 35 g
Udon noodles	1 bowl	About 60 g
Sweet potato (peeled)	1 piece (about 150 g)	About 45 g

Using this table to work backward: a 65 kg rider needs about 490 g of carbs on a loading day, which equals roughly “3 bowls of rice + 2 bananas + 2 bottles of sports drink + 1 onigiri + some toast as snacks” spread across the day—you’ll see this is actually achievable by “slightly increasing each meal portion plus one or two snacks,” not by painful binge eating.

Key reminder: while loading carbs, you should also reduce training volume appropriately (the taper). If you’re increasing your fuel tank capacity while constantly burning fuel, the effect will be greatly diminished. This was A-Kai’s biggest mistake—he added intervals during the very period he should have been tapering.

An Easily Overlooked Detail: Water and Body Weight

Each gram of glycogen stored also locks in about 3 grams of water with it into the muscle. So after serious glycogen loading, a 1–2 kg increase in body weight is normal and healthy—that’s not fat gain; it’s your “fuel tank and coolant” both being topped off. Many weight-conscious athletes panic and cut calories the moment the scale goes up, which just lets go of all the glycogen they worked hard to store. Please remember: that 1–2 kg is your asset, not a burden.

Don’t Forget Sodium and Water: The Hidden Piece of the Glycogen-Loading Puzzle

Many people interpret glycogen loading as simply “eating carbs like crazy,” while overlooking that water and electrolytes are equally part of the process. As mentioned earlier, each gram of glycogen requires about 3 grams of water to be stored in the muscle, meaning your body’s need for water increases during the loading phase. Taiwan’s climate is hot and humid, especially during the spring and summer racing seasons; dehydration can directly lead to cramping, a drifting heart rate, and impaired decision-making in the latter part of your event.

My principle for athletes is: During the loading phase, drink enough so your urine is pale yellow—no need to chug plain water excessively. Overloading on plain water can dilute blood sodium and pose a risk of hyponatremia, which is not uncommon in long, hot, and humid events. Instead of downing a large bottle of plain water at once, moderately add electrolytes to your drinking water, and don’t deliberately follow a salt-free diet during meals. Below is a simple reference I use for water and sodium during the loading phase; adjust the actual amounts based on your individual sweat rate and body size:

Time Period	Hydration Strategy	Sodium/Electrolyte Focus
2–3 days before	Drink small amounts frequently; urine pale yellow	Normal saltiness in meals; don’t deliberately go low-salt
1 day before	Maintain hydration; don’t chug before bed	Can pair with electrolyte sports drinks
2–4 hours before	About 5–7 mL of water per kg of body weight	Add some sodium with the pre-race meal
15 minutes before start	Just a small sip to moisten the mouth	Avoid drinking too much at once to prevent stomach discomfort

(Hydration recommendations are general principles and vary greatly depending on individual sweat rate, temperature, and event duration—they are not absolute numbers.)

Heavy sweaters (commonly called “salty sweaters,” who leave visible white salt stains on clothing after sweating) need to pay special attention to sodium replenishment. For these individuals in long, hot, and humid events, replacing only water without sodium significantly increases the risk of cramping and slowing down. Likewise, this is something to figure out during training—understanding your own sweating characteristics—rather than scrambling on race day itself.

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The Pre-Race Meal: What to Eat in the Hours Before the Start

If glycogen loading is “filling the tank,” then the pre-race meal is “topping off that last, most easily digestible bit of fuel before the start,” while also stabilizing blood sugar and avoiding starting on an empty stomach.

The Golden Rules of the Pre-Race Meal

Sports medicine has a fairly consistent recommendation for the pre-race meal: Consume 1 to 4 grams of carbohydrates per kilogram of body weight 1 to 4 hours before exercise. This range is wide to accommodate different digestive capacities and start times. The principle is:

• The further from the start, the more you can eat, closer to the upper limit (3–4 g/kg)
• The closer to the start, the less you eat, and the easier it should be to digest (1–2 g/kg)

Here’s a pre-race meal timeline I often give athletes, using a 65 kg cyclist as an example:

Time Before Start	Carb Target (per kg)	65kg Equivalent	Food Examples (Easily Found in Taiwan)
3–4 hours before	3–4 g	About 195–260 g	White rice + lean meat bento, white toast + honey + banana, steamed bun with egg
2–3 hours before	2 g	About 130 g	Plain congee + small sides, bagel + jam, energy bar + banana
1–2 hours before	1–1.5 g	About 65–100 g	Banana + sports drink, white toast, energy gel
Within 30 minutes	Small amount, as needed	—	One energy gel + a sip of water, to stabilize blood sugar

(Carb range sources: Precision Hydration, ISSN nutrition timing consensus; see end of article)

Real-World Scenarios for Taiwanese Cyclists/Runners

Many events in Taiwan require gathering at 5 or 6 AM and starting at 7 AM, which means your pre-race meal often has to be eaten before dawn. My advice is:

• Don’t skip breakfast and start on an empty stomach just to get more sleep. After a full night’s sleep, liver glycogen is already depleted; starting on an empty stomach means one less tank of fuel and a higher risk of hypoglycemia.
• If you really can’t eat much, at least consume 1 g/kg of easily digestible carbs 1–2 hours before the start: white toast, bananas, and sports drinks are all good options.
• The dinner the night before is actually the main event. Since it’s hard to eat a big meal early in the morning, increase your carbs the night before (white rice, pasta, udon) so glycogen can continue to be replenished during sleep.

Caffeine and the Pre-Race Meal

Many Taiwanese cyclists are accustomed to a cup of coffee or a caffeinated energy drink before a race. Moderate caffeine (generally recommended in the range of 3–6 mg per kg of body weight, and it must be tested for tolerance during training first) can indeed benefit endurance performance and focus. But two things to note: First, caffeine can stimulate the gut and trigger a pre-race bathroom dash; second, absolutely never try a new dose for the first time on race day. All fueling—including caffeine—must be “rehearsed during training first.” That’s an iron rule.

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Gut Considerations: The Most Underestimated Key to Winning or Losing

I’d argue that in long-distance events, the number of people who slow down or even drop out due to gastrointestinal discomfort is no fewer than those who do so due to inadequate fitness. Stomach cramps, bloating, nausea, diarrhea—these happen most often around aid stations, yet very few people seriously train for or plan around them.

Why the Gut Is So Prone to Trouble During Exercise

During exercise, the body diverts a large amount of blood to the working muscles and skin (for cooling), leaving relatively less blood flow to the gastrointestinal tract. The higher the intensity, the hotter the weather, and the more severe the dehydration, the more pronounced this “gut ischemia” becomes. If you then stuff your stomach with large amounts of high-concentration, hard-to-digest food, your gut will naturally go on strike. Taiwan’s hot, humid summers amplify this problem—the likelihood of gut discomfort rises significantly in high temperatures.

One case that stands out to me is a female athlete I coached for a Taroko road race that started early in the morning. She was nervous before the race, so the night before she ate a large plate of raw vegetable salad “to be healthy,” and also downed a big glass of iced soy milk. Mid-race, she was hit with severe stomach cramps, had to use the portable toilets twice, and her time naturally fell apart. The problem wasn’t a lack of effort; it was choosing the wrong types of food for the pre-race meal—the high-fiber salad combined with gas-producing soy milk hit every landmine. The next race, we switched her pre-race meal to plain congee with a little pork floss and white toast. On the same course and in similar weather, her gut was stable the entire race, and she smashed her personal best. Sometimes, the choice of food type matters more than the quantity in determining success or failure.

The 24–48 Hour Pre-Race Gut Preparation Checklist

This is the “pre-start gut survival checklist” I give my athletes:

• Reduce fiber intake: Although you need to eat a lot of carbs during the loading phase, they should come primarily from low-fiber, easily digestible sources—white rice, white noodles, white toast, peeled potatoes, sports drinks. Avoid large amounts of vegetables, whole grains, beans, and raw salads, as this fiber increases the risk of bloating and the urge to defecate during the race.
• Avoid high-fat and fried foods: Fat digests slowly; say goodbye to Taiwanese fried chicken, fried pork chops, and heavy cheese in the day or two before the race.
• Limit gas-producing foods: Soy milk, sweet potatoes, onions, and sugar-free gum/candy containing sugar alcohols can all cause bloating during the race.
• Be conservative with coffee and spicy foods: Some people need the bathroom after one cup of coffee; be cautious before the race.
• Avoid alcohol whenever possible: Alcohol affects glycogen synthesis and fluid balance; it’s best to abstain or drink very little in the week before the race.

“Gut Training” Is Real and Can Be Practiced

Many people don’t know this: Your gut’s tolerance for carbs can be improved through training. If your target event requires consuming 60–90 grams of carbs per hour while riding, you must practice “eating to that amount” during your regular long training rides. Get your gut accustomed to processing that many carbs in an exercising state, so it won’t fail you on race day.

Absolutely never try a new fuel, new flavor, new brand, or new intake amount for the first time on race day. I repeat this at every pre-race briefing because every year, someone still steps on that landmine.

Common Mistakes and Corrections

Having coached athletes for so many years, the pitfalls in pre-race nutrition are highly repetitive. I’ve compiled the most common ones into a comparison table you can use for a quick self-check:

Common Mistake	Why It’s a Problem	Correct Approach
Deliberately eating less before the race, afraid of gaining weight	Glycogen isn’t topped off, you hit the wall in the later stages	Increase carbs 3 days before the race, accept a 1–2 kg weight gain
Using depletion training to “empty” glycogen	Immunity drops, you feel tired and irritable, prone to illness	Modern approach skips the depletion phase, just do a high-carb load
Only thinking about eating carbs the night before	One evening can’t make up for several days’ worth	Plan 2–3 days ahead, accumulate steadily
Pre-race meal too fatty, too much fiber	Slow digestion, bloating, frequent bathroom trips	Focus on low-fiber, low-fat, easily digestible white starches
Trying new fuel for the first time on race day	Gut isn’t adapted, prone to nausea and diarrhea	Rehearse all fuel during training first
Racing on an empty stomach for early morning events	Low liver glycogen, prone to hypoglycemia and dizziness	Eat easily digestible carbs 1–2 hours before the start
Only focusing on carbs, forgetting water and electrolytes	Taiwan’s humid heat causes rapid dehydration, cramps and loss of pace	Pay attention to fluid and sodium intake during the loading phase

A Successful Case After Correction

Back to A-Kai. The next year he took on Wuling again, and we completely overhauled the strategy: a gentle taper 3 days before the race, 7 grams of carbs per kilogram per day (at 68 kg, roughly 476 g/day), pasta as the main dish the night before, white toast with honey and a banana at 5:30 AM on race morning, one more gel and sports drink 1 hour before the start, and maintaining about 60 grams of carbs per hour during the ride.

The result? Not only did he not fade after Kunyang, but on that final steep section he could stand and sprint past riders, achieving a massive personal best. He texted me afterward: “Turns out my legs were never weak—I just wasn’t eating enough.” — That sentence is worth remembering for anyone who trains hard but routinely falls apart in the later stages.

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In-Race Fueling: Extending Your Starting-Line Preparation to the Finish

Filling your glycogen before the race only solves the question of “how much fuel is in the tank”; during a long event, glycogen continues to be depleted, so in-race fueling is an extension of your pre-race strategy—the two cannot be viewed separately. I often say: how full you are at the start, plus how well you refuel along the way, determines how much strength you have left at the finish.

Below are in-race carbohydrate intake references for events of different lengths. These are “per hour” targets that must be trained to gut tolerance during long training rides:

Event Duration	Hourly Carb Target	Recommended Fuel Format
1–2 hours	~30–60 g	Sports drink, gels are sufficient
2–3 hours	~60 g	Alternate gels and sports drink
3+ hours	~60–90 g	Requires multiple sugar types (glucose + fructose) products

(In-race intake limits and multiple sugar type principles sourced from GSSI, ISSN and other endurance nutrition guidelines, see end of article)

Here’s a key scientific detail: when hourly carb intake needs to exceed roughly 60 grams, it’s best to choose products with a “glucose + fructose” blend. Because the intestinal absorption channel for glucose alone becomes saturated, adding fructose uses a separate absorption pathway, increasing total absorption while reducing gut distress. This is why high-end energy products in recent years emphasize specific ratios of multiple sugar types. For beginner readers, you don’t need to memorize ratios—just remember “when the amount is high, choose products marketed as containing multiple sugar types.”

In practice, I ask athletes to “schedule” their fueling: for example, refuel every 20 minutes on a timer, rather than “eating only when hungry.” Because by the time you feel hungry or feel your legs getting heavy, glycogen has often already dropped too far, and catching up is too slow. Fuel ahead of your body—don’t fall behind.

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Pre-Race Nutrition FAQ: The 8 Questions Athletes Ask Me Most

Over the years of leading teams, the questions after pre-race briefings are highly repetitive. I’ve compiled the most common ones into an FAQ—you’ve probably wondered about several of these too:

Q1: Can I train normally the day before the race?

Yes, but keep it “light.” Some people feel their legs are “dull” if they lie around completely still the day before. I usually arrange 20–30 minutes of very easy spinning, plus a few short accelerations to find the feel—the key is don’t create fatigue, don’t deplete glycogen.

Q2: My gut is very sensitive—eating that many carbs during the loading phase will definitely cause bloating. What should I do?

Focus on low-fiber carb sources (white rice, white noodles, white toast), and switch to “small frequent meals” rather than three big ones. You can also use liquid carbs (sports drinks, diluted juice, carb-containing powdered drinks) to cover part of the amount—liquids digest more easily than solids and are much friendlier to a sensitive gut.

Q3: Can I use sugary drinks and desserts to hit my carb targets?

During a short loading period, moderate amounts of simple sugars (sugary sports drinks, honey on white toast, jam) are indeed convenient for hitting targets and digest well. But don’t rely solely on high-sugar foods all day—blood sugar swings get wild and you miss out on other nutrients. Balanced starchy staples plus some simple sugars is a more comfortable combination. Of course, this is a special pre-race period approach, not a daily eating habit.

Q4: What if I feel bloated or nauseous after my pre-race meal?

It’s usually too much food, too close to the start, or too fatty/too much fiber. Next time, move the pre-race meal earlier, reduce the portion, and switch to more easily digestible options. If it happens at every race, you need to experiment repeatedly in training to find “your own” optimal portion and timing—everyone’s stomach capacity and emptying speed are different.

Q5: Can I race long distances on a low-carb (keto) diet?

This is a controversial and highly individualized topic. Low-carb/keto strategies may have a place for certain groups in ultra-long, low-intensity events, but for most athletes chasing performance in endurance events with moderate-to-high intensity output, adequate glycogen remains the key to performance. If you want to try a special dietary strategy, I strongly recommend doing so under the guidance of a nutritionist or sports medicine professional—don’t experiment on your own mid-season.

Q6: Do I need to supplement extra protein before the race?

Carbs are the star of the loading phase, but protein should still be maintained at your normal daily amount (to support muscle repair and maintenance). You don’t need to dramatically increase protein for the race—keep it at your usual level and save the “extra” calories for carbs.

Q7: Can I eat until very full the night before and then sleep?

You can eat to “comfortably full,” but don’t stuff yourself to the point of insomnia or midnight bloating. Make dinner carb-focused and easily digestible, avoid heavy fried and spicy foods, so your body can steadily replenish glycogen during sleep and rest well. Sleep itself is part of race preparation—don’t sacrifice sleep quality just to eat more.

Q8: I eat out all the time and can’t cook—how do I execute the loading phase?

Eating out in Taiwan is incredibly convenient, so this isn’t really a problem. Convenience store onigiri, bento boxes, white toast, bananas, sports drinks, and oden daikon radish and instant noodles are all easily accessible loading options. At buffet restaurants, get more white rice, choose easily digestible mains, and skip the fried items and large amounts of raw salad. The key isn’t “cooking yourself”—it’s choosing the right types of food.

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Actionable Advice for Readers of Different Levels

For Beginners Taking on Their First Long-Distance Event

• Get it done first, perfect it later: You don’t need to calculate every gram from the start. Master two big principles—“increase rice and noodle portions 2–3 days before the race, focusing on easily digestible white starches” and “eat a banana with a sports drink 1–2 hours before the start”—and you’re already ahead of most fellow beginners.
• Always rehearse: After registering, pick one long training ride to fully simulate what you plan to eat on race day and when, testing your gut response.
• Cut fiber, avoid fried foods: Don’t have a celebration feast one or two days before the race—that bubble tea and that plate of fried chicken can wait until after you finish.

For Experienced Athletes Looking to Level Up

• Quantify your intake: Use your body weight to calculate daily carb targets and hourly in-race carb amounts—stop relying on feel alone.
• Train your gut: Gradually increase your in-race carb intake during training (e.g., slowly approaching 90 g/hour from 60 g/hour) to improve tolerance.
• Fine-tune your loading strategy: If your gut is strong enough, you can try a short, high-volume supercompensation protocol 1–2 days before the race (10–12 g/kg), which is more efficient. But always test it first in a minor race or simulation.

For Readers with Chronic Conditions or Special Circumstances

I want to slow down and take a more conservative tone in this section.

• If you have diabetes, hypertension, heart disease, kidney disease, or any metabolic-related chronic condition, you absolutely must not copy the general numbers in this article when it comes to “significantly increasing carbohydrate intake.” High carbohydrate intake can significantly affect blood sugar and insulin requirements, and is especially in need of individualized adjustment for those with diabetes.
• Taiwan’s National Health Insurance system provides relatively convenient access to medical care, which is a major advantage. Please be sure to consult your primary care physician and (if available) nutritionist during the race planning phase. Lay out your race plan, proposed diet, and fueling strategy for discussion, and let the professionals tailor it to your needs.
• If you experience abnormal chest tightness, persistent heart palpitations, confusion, cold sweats, or atypical extreme fatigue on race day, stop immediately and seek help from the race medical station. Do not push through. These signals are different from simple “glycogen depletion,” so it’s better to err on the side of caution.

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One-Week Pre-Race Schedule (Ready to Use)

Finally, I’ve condensed the entire strategy into a one-week pre-race timeline so you can stick it on your fridge and follow along. The following uses a Sunday race as an example:

Day	Training	Nutrition Focus
Monday	Easy aerobic	Balanced diet, normal fruit and vegetable intake, adequate protein
Tuesday	Short intervals (maintain feel)	Balanced diet, start paying attention to hydration
Wednesday	Easy ride/run	Balanced diet, last day of normal fiber intake
Thursday	Taper, short distance	Start increasing carbohydrates, gradually reduce fiber
Friday	Very easy or rest	Carbohydrate loading (7–8 g per kg), low fiber, low fat
Saturday	Complete rest or 20-minute leg spin	Continue carbohydrate loading; dinner focused on white rice/noodles, go to bed early
Sunday (Race Day)	Race	Eat easily digestible carbohydrates 1–2 hours before the start; fuel regularly during the race

There’s no magic in this table—it simply lays out all the principles above into a one-week rhythm. You’ll notice there are really only three key actions: moderate tapering, gradually increasing carbohydrates while reducing fiber, and rehearsing all your fueling during training.

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Conclusion: Carry Your Training Results to the Finish Line

I often tell my athletes that the goal of a pre-race nutrition strategy isn’t to make you “run faster”—it’s to prevent your hard-earned fitness from being wasted on an avoidable nutritional mistake. The physical capacity you’ve built up through months of sweat deserves a pre-race plan that’s just as carefully prepared.

Keep these core points in mind: serious glycogen loading is only needed for longer events, modern practice eliminates the depletion phase, adjust pre-race meal portions based on timing, train your gut in advance, and rehearse all your fueling beforehand. Do these things, and you’re already ahead at the starting line—not because you’re stronger, but because you’ve filled your tank.

Wishing you strong legs and a smiling finish in your next race.

One final reminder that’s often overlooked: pre-race sleep and emotional state are also part of your “nutrition strategy.” No matter how perfect your carbohydrate plan is, if you’re too anxious to sleep the night before, or you try something untested that keeps you running to the bathroom, the results will suffer. Plan your nutrition early and rehearse your fueling in advance, so you can sleep peacefully the night before the race—that sense of “peace of mind” is itself the best race-day support you can give yourself.

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This article is for educational purposes and does not replace individual diagnosis and treatment advice from physicians, physical therapists, or nutritionists. If you have a chronic condition or special health situation, please consult a qualified medical professional before making any dietary changes.

References

• Precision Hydration — How to carb load before a race: https://www.precisionhydration.com/performance-advice/nutrition/how-to-carb-load-before-a-race/
• Precision Hydration — What should you eat before training and races (final pre-exercise meal carb intake): https://www.precisionhydration.com/performance-advice/nutrition/final-pre-exercise-meal-carb-intake/
• Gatorade Sports Science Institute — Dietary Carbohydrate and the Endurance Athlete: https://www.gssiweb.org/sports-science-exchange/article/dietary-carbohydrate-and-the-endurance-athlete-contemporary-perspectives
• International Society of Sports Nutrition Position Stand: Nutrient Timing: https://pmc.ncbi.nlm.nih.gov/articles/PMC5596471/

Related Reading

• Race Week Nutrition Plan for Athletes: A Practical Guide to Glycogen, Gut Health, and Daily Meals
• Post-Race Recovery Nutrition: The Golden Strategy After the Finish Line—A Complete Guide to Glycogen Replenishment, Protein, and Fluid/Electrolytes
• Nutritional Supercompensation Strategy for the Week Before a Race: Maximizing Glycogen Stores
• Race Nutrition Strategy: A Scientific Fueling Plan for Before and During Competition