From costumed toboggan rides to an unsanctioned triathlon in the Tetons, these quirky competitions are no joke
This time, the globetrotting ultrarunner is keeping things local
Athletes are especially susceptible to this common, curable iron-deficiency disease
Athletes share their favorite tools for staying hydrated on the move
New research finds that those who can identify and regulate their emotions keep pushing when the going gets tough
Scientists point the finger at the brain chemical adenosine for the endurance-sapping effects of mental fatigue.
Conventional wisdom says that drafting doesn’t matter when cycling up steep hills. It’s wrong.
Kaitlyn Boyle smashed the women's record for the AZT300, while Kurt Refsnider reclaimed the record for the 760-mile AZTR
Pain psychologists explore the differences between those who finish ultra-endurance races and those who don't
New research explores how ultraviolet light can trigger the production of health- and performance-boosting nitric oxide
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