Tough Mudder - World's Toughest Mudder

JUN
27-28
2026
Read all about the Tough Mudder - World's Toughest Mudder on 27-28 Jun 2026 in Grantham.
24-Hour Obstacle Course C...

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About the race

World's Toughest Mudder is an extreme 24-hour obstacle course event held at Belvoir Castle in Grantham, Lincolnshire, UK. Participants face relentless 5-mile loops featuring brutal climbs, challenging terrain, and a mix of new and classic obstacles such as the icy Arctic Enema, the greased Everest wall, and the barbed wire Kiss of Mud. The event offers individual and team relay options, fostering a tough yet supportive atmosphere.

Beyond the physical challenge, the event includes a vibrant pit area with campsites, food trucks, and music, plus a post-event brunch for participants and spectators. Finishers earn medals, headbands, and exclusive apparel, celebrating their endurance and grit. Visit the organization's website for the most recent information.

5 mi
24-Hour Obstacle Course Challenge With 5-Mile Loops

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