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Do sprinters have bigger legs than distance runners? If so, why would this be advantageous for them? - Quora
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What Half-Marathons Teach Us About Running a Marathon - The New York Times
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Ask Pete: Why Do My Muscles Get Smaller from Running? - Outside Online
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Does Running Make Your Legs Bigger? (Yes And No- Here's Why) - The White Coat Trainer
Anatomy of an Olympic Sprinter | University of Utah Health | University of Utah Health
Why Are My Legs Getting Bigger From Running? - Rachael Attard
