World's Toughest Mudder
June 27 - 28, 2026 at Belvoir Castle, Grantham, Lincolnshire, NG32 1PE, UK.
World's Toughest Mudder is the most extreme, imposing, pulse-pounding, heart-stopping 24-hour obstacle course challenge on the planet. For 24 hours, you’ll take on relentless 5-mile loops packed with brutal climbs, unforgiving terrain, and a constantly evolving gauntlet of new obstacles, reimagined classics, and cruel surprises designed to break even the toughest athletes.
Obstacles Include:
- Arctic Enema: Take a dunk in this 34 degree ice pit.
- Everest: Run fast, jump high, and reach for a helping hand over this greased 13′ quarterpipe.
- Kiss of Mud: We’ve given you 14″ of space between the ground and the barbed wire.
What You Earn:
- Event Bib
- Medals (for top performers and qualified Contenders)
- Finisher Headband
- WTM Finisher Shirt
Team Relay Options:
Tackle the WTM course in teams of up to 4 people.
Adaptive Athletes:
The Adaptive Athlete Programme connects athletes and course guides to conquer each obstacle course in a way that best suits them.