GQ wellness columnist Joe Holder competed in the Man Against Horse race in Prescott, Arizona, to find out.
Equine Athlete FAQs: How Long Can a Horse Run? - Horse Rookie
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Can a horse run 20 miles a day like a human? - Quora
Which Gaited Horse is for You?
Can a horse run 20 miles a day like a human? - Quora
It's official: 'Smoke,' the blind horse from the High Desert, sets Guinness World Record
Endurance riders hit trail in fast growing equine sport
Joe Holder on LinkedIn: Our Fitness Columnist's Nine-Point Plan for Running Your Way Into Better…
Horse racing - Wikipedia