Why dont more people use hydration vest on the run? especially if you have specific nutrition. They are widely used by ultra runners. Just wondering why I dont see them at Ironman.
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Yellowfin Endurance Coaching and Bike Fits
USAT Level 1, USAC Level 3
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Yellowfin Endurance Coaching and Bike Fits
USAT Level 1, USAC Level 3