Get the Men's Fitness newsletter!
Meet Larry Macon, Guinness World Record holder.
A new program pairs canine companions with runners.
Patrick Lange and Daniela Ryf reigned supreme.
A look at the sports science behind Eliud Kipchoge and Breaking2.
It's an all-terrain, run-anywhere mudstomper.
8 ways to keep your cool to maximize performance.
The funnyman made the announcement via a hysterical video.
Zach Boivin remade himself into an Ironman inspiration.