In 2018, we’re coming to compete.

Meet the 2018 Race Series. 3 World Championships. Over $500,000 in prizing. The fittest, fastest, and toughest athletes in the world.

From 1 mile to 100 miles, we’re pitting Mudders from all disciplines not only against one another, but against epic race formats and course terrains. Whether your game is short distance sprints (Tough Mudder X Series), mid-distance madness (Tougher Mudder Series), or long, long, LONG distance (Toughest Mudder Championship Series), we’ve got the competition for you.

It’s not just about the challenge anymore, Mudder. It’s time to compete.

Showdown in Richmond ››

Tough Mudder X - Open - presented by Kill Cliff

  • 2 events in 2018, 1 mile sprint course, 8 obstacles & 8 functional fitness workout zones. $2,500 Top Prize. Top 10 qualify for the World Championship.

Tough Mudder X World Championship - presented by Kill Cliff

  • Qualify/Invite only. Limited space available. 1 mile sprint course, 10 signature obstacles & 10 epic functional fitness workout zones. $25,000 Top Prize - Virginia, 6/8.
Race to Seattle ››

Tougher Mudder - Open

  • 10 mile timed first wave, available at most 2018 events. $500 Top Prize.

Tougher Mudder Regional Championship

  • 4 Championship event. $2,500 Top Prize. Only way to qualify for the World Championship.

Tougher Mudder World Championship

  • Qualify/Invite only. World Championship format course. $5,000 Top Prize - Seattle, 9/22.
Road to Atlanta ››

Toughest Mudder

  • 8 Regional Championship events. 8 hour race, Overnight, on a 5 mile circuit course. Unique obstacles, $5,000 Top Prize + Mileage achievement awards.

World's Toughest Mudder

  • 24 hour race, 5 mile circuit course, as many laps as possible. Epic obstacles and and first chance to conquer 2019 obstacles. $10,000 Top Prize + mileage achievement awards. Atlanta, 11/10.


Become the stuff of legends by completing at least one Tougher Mudder, Toughest Mudder, and World’s Toughest Mudder, all in a single season. All that Questing will secure you a one-of-a-kind finisher shirt, digital badge to share, and an official TMHQ Holy Grail. (Yeah, you read that right. A real, live Holy Grail) Plus, all the bragging rights a Mudder could ever ask for.