Former top tennis pro runs David Goggins’s 4 x 4 x 48 ultra challenge

James Blake tested his endurance on the tennis court many times, but he recently tried his hand at a different kind of challenge

7 books runners will love

Kick back with these great books and learn more about the sport you love

Canadian results from the Philadelphia Marathon

30,000 people took the the streets of Philly today. Here are the top Canadian results