Most Extreme Races
By Amanda Casanova
How adventurous are you? Get ready to be tested to your limits at 10 of the toughest races in the world.
Ready to run? We are the ultimate running resource for all runners. Whether you're running your first 5K or trying to PR your half marathon, we'll help you get there. Find running tips and training articles written by our running experts right here. Looking for a run? Check out upcoming races near you.
Running Articles & Advice
Matt Fitzgerald is an acclaimed endurance sports writer whose work appears regularly in Men's Journal, Outside and other publications.