Urinary Issues in Female Runners: Pelvic Floor Muscle Training for Leakage While Running

Introduction

Research surveys show that 25–50% of women who participate in road running have experienced the distress of leaking urine while running, yet only a very small number of them have ever mentioned it to medical personnel. “Isn’t it normal to leak urine when running?” No, this is a dangerous misconception. Leaking urine while running (Stress Urinary Incontinence) is a warning sign of insufficient pelvic floor muscle function, and it can be effectively treated and prevented.

Why Does Running Cause Leaking?

With every foot strike, the pelvic floor is subjected to an impact force of 1.5–2.5 times body weight. The pelvic floor muscles (Pelvic Floor Muscles) act like a hammock, needing to contract rapidly at the moment of impact to support the bladder, uterus, and rectum, while coordinating with changes in intra-abdominal pressure to control the urethra.

When the pelvic floor muscles:

• Have insufficient contraction strength
• React too slowly (unable to pre-contract before impact arrives)
• Lack endurance (leaking begins in the later stages of a long run)

Leaking will occur. Situations particularly prone to causing leaking: downhill running (greater impact forces), the later stages of a run (accumulated fatigue), drinking too much water before running, and cold weather (increased bladder sensitivity).

Anatomy and Function of the Pelvic Floor Muscles

The pelvic floor muscles are composed of multiple interwoven muscle layers located at the base of the pelvis, primarily including:

The pelvic floor muscles have two types of fibers:

• Slow-twitch fibers (Type I): Responsible for sustained support, accounting for approximately 70%, requiring endurance training for continuous contraction
• Fast-twitch fibers (Type II): Responsible for rapid reactions (such as the instantaneous contraction during coughing or jumping), requiring explosive power training

Running-related leaking typically involves deficiencies in both fiber types, so training must address both endurance and reaction speed.

The Correct Way to Do Kegel Exercises

Many women perform Kegel exercises incorrectly, resulting in limited effectiveness. Correct steps:

Find the pelvic floor muscles: Imagine you are stopping urination mid-stream and feel the muscle group that contracts—this is the pelvic floor muscles (note: do not contract the buttocks, thighs, or abdomen; this is a common mistake).

Basic training (endurance fibers):

• Slowly contract the pelvic floor muscles, hold for 8–10 seconds, then slowly relax for 8–10 seconds
• 10 repetitions make 1 set, 3 sets per day
• Ensure complete relaxation (relaxing after contraction is just as important as the contraction itself)

Advanced training (fast-twitch fibers):

• Quickly contract the pelvic floor muscles for 1 second, then immediately relax completely, repeat 10–15 times
• Simulates the rapid pre-contraction needed when landing during running

Functional Pelvic Floor Training

Kegel exercises alone have limited effectiveness for running-related leaking; what matters more is “integrating pelvic floor contraction into functional movements”:

• Contract before jumping rope: When jumping rope, consciously pre-contract the pelvic floor before each landing, starting with sets of 20 jumps and gradually increasing
• Downhill walking practice: Walk on a slight incline, consciously maintaining a mild contraction of the pelvic floor muscles
• Core coordination training: The pelvic floor muscles and transversus abdominis work together; Plank training helps with overall core stability

Other Strategies for Improving Running-Related Leaking

• Empty your bladder before running but do not over-empty: Urinating too frequently actually trains the bladder to become more sensitive (reducing bladder capacity)
• Reduce bladder irritants: Caffeine, alcohol, and spicy foods worsen the urge to urinate; avoid them 2 hours before running
• Adjust running technique: Increasing cadence and reducing vertical oscillation can lower the impact force of each step
• Pessary: For severe cases, a sports pessary can be used, fitted after evaluation by a gynecologist

When to Seek Professional Help?

In the following situations, referral to a pelvic floor physical therapist is recommended (Taiwan hospitals’ obstetrics/gynecology, rehabilitation, or urogynecology departments can make referrals):

• No significant improvement after 3 months of self-training
• Leaking occurs not only when running but also when coughing or sneezing
• Symptoms of pelvic organ prolapse (feeling of pelvic heaviness, like something is about to fall out)
• Large volume of leaking (not just a few drops)

Practical Advice

1. Incorporate pelvic floor training into your daily routine: Attach it to other habits (such as doing Kegels while brushing your teeth) to maintain long-term consistency
2. Record your progress: Use a leaking diary to record leaking during each run and track training effectiveness
3. Do not use pads to mask the problem: Pads can provide temporary protection, but do not let them become a reason to avoid treatment
4. Postpartum women need special attention: Even past the one-year postpartum mark, pelvic floor issues may persist and can still be improved through training
5. Talk to your gynecologist: Leaking is a medical issue, not a shameful one; speaking up bravely is the only way to get proper help

Conclusion

Running should be a symbol of freedom and strength, not the anxiety of needing to wear a pad just to leave the house. Pelvic floor muscle training is the most effective and safest method for resolving running-related leaking, and for most women, just 8–12 weeks of consistent training can bring noticeable improvement. Starting today, give your pelvic floor muscles the attention they deserve, and make every step more confident and free.

Related Reading

• Pelvic Floor Pressure in Running: Leaking Issues and Intervention Research in Female Runners
• Cycling Also Needs to Care for the “Foundation”: A Complete Guide to Exercise and Pelvic Floor Health—Incontinence Is Not Something to Be Ashamed Of, It Can Be Trained
• Returning to Running After Childbirth: Pelvic Floor Recovery Is the Most Important Hurdle
• Pelvic Stability Training for Female Runners: Gluteus Medius Strengthening to Prevent Knee Injuries