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One of the big challenges for recovery research is figuring out what it means to be recovered. Maybe it’s the point at which, after a marathon, you’re able to start walking down the stairs forward ...

Finishing a marathon in under two hours remains a barrier to be broken. Kenyan runner Eliud Kipchoge fell just 25 seconds short on Saturday, in a marathon that saw three athletes attempt to break the ...

A century after the first modern marathon, science has focused on the quest for more efficient training, nutrition — and footwear. Soon after the American Johnny Hayes won the first truly modern ...