Believing These Common Myths About Sports Bras Could Be Hurting Your Runs

Debunking Common Myths About Sports Bras

Experts debunk common myths about sports bras, helping runners make smarter choices for better comfort and results.

Many runners overlook their sports bra or assume it doesn’t impact performance. However, research suggests that a good sports bra can make a significant difference.

The Impact of Pace on Breast Movement

According to Joanna Wakefield-Scurr, head of the University of Portsmouth’s Research Group in Breast Health, a slower pace can actually cause more breast movement.

“Slow running is where we see the most breast movement,”

she says. Wakefield-Scurr also notes that breast pain is not necessarily related to size, but rather to hormonal fluctuations and tension on the supporting structures of the breast.

Author's summary: Experts debunk myths about sports bras to help runners.

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Runner's World Runner's World — 2025-10-16