Since Tough Mudder was founded in 2010, 1.3 million people have participated in one of the company's "military style" obstacle courses, which cover 10 to 12 miles of ground and include about 20 ...

Cancel anytime. Participants pushed their bodies to the limit and conquered as many as 25 obstacles at the Tough Mudder event held at the World Wide Technology Raceway in Madison on Sunday ...

The two-day event was one of three dozen Tough Mudder events that will take place internationally this year, challenging participants minds, bodies and fears. More photos from the Tri-State Tough ...

Some wore the Tough Mudder logo, the image of a runner silhouetted on a large background of flames. Others included a list of the dates and locations of the Tough Mudder “challenges” they had ...

Tough Mudder Legionnaire Chris James, who has joined 81 events in the past, provided a clear picture of what Tough Mudder is all ... It doesn’t matter how rich you are, how poor you are, or what your ...