Taper Period: Maintaining Intensity – Why Volume Drops but Intensity Cannot

“I need to rest well, so I’ll skip all interval training these 2 weeks” – this is one of the most common Taper mistakes. Cutting volume while maintaining intensity is the core logic behind peak performance.

Why Intensity Cannot Drop

High-level adaptations in muscles and the nervous system (VO2max, lactate threshold, neural recruitment) begin to decline within 10–14 days of stopping training:

If you avoid high-intensity work entirely during the Taper period, these abilities will have quietly regressed by 2–4% by race day.

The Classic Mujika Study

In 2000, Mujika et al. conducted a study on swimmers:

• Group A: 50% volume reduction + retained all intervals → performance +3.2%
• Group B: 50% volume reduction + intervals also reduced by 50% → performance -0.5%

Conclusion: Only athletes who reduce volume but not intensity experience supercompensation.

How to Maintain Intensity in Practice

Cyclists

• 2 weeks before race: FTP intervals reduced from 4×10 min to 3×8 min (volume ↓ 40%)
• VO2max intervals reduced from 6×3 min to 4×3 min
• But power targets remain unchanged, e.g., FTP 102%, VO2max 115%

Runners

• 2 weeks before race: threshold runs reduced from 5×1.6K to 3×1.6K
• Pace remains Threshold Pace (10K pace)
• 1 week before race: 4×400m @ 5K pace (preserving neural stimulation)

Triathletes

• Keep 1–2 high-intensity stimuli for each of the three disciplines
• For example: swimming 4×100m @ T-pace, cycling 3×6 min @ FTP, running 6×400m @ 5K pace

“Openers” Workouts

Key sessions 1–2 days before the race, designed to activate the nervous system rather than fatigue the body:

• Running: 15 minutes easy jog + 4×100m strides (80–90% intensity)
• Cycling: 30 minutes easy ride + 3×30 second sprints (high cadence)
• Swimming: 1500m including 4×50m race pace

How to Quantify Intensity

Use three metrics to confirm you’ve “truly maintained intensity”:

1. Power / Pace: Same as 4–6 weeks before the race
2. Heart Rate: At the same intensity, heart rate should be slightly lower (this is a good sign)
3. RPE: The same pace should feel “less effortful”

Conclusion

Taper isn’t about turning you into a couch potato – it’s about making you a “well-rested high-intensity animal.” Remember the mantra: reduce volume, reduce frequency, but never reduce intensity.

Related Reading

• Pre-Race Taper: The Science of Training 40–60% Less Yet Running Faster
• Swimming Taper Strategies: The Science of Reducing Mileage While Maintaining Intensity 2 Weeks Before a Race
• The Science of Pre-Race Taper: Periodization Design and Intensity Retention
• Optimizing the Pre-Race Taper: A Comparative Study of 40% vs 60% Load Reduction