Tough Mudder - World's Toughest Mudder

World's Toughest Mudder is an extreme 24-hour obstacle course event held at Belvoir Castle in Grantham, Lincolnshire, UK. Participants tackle 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 quarterpipe, and the barbed wire Kiss of Mud. The event offers individual and 4-person team relay options, fostering a tough yet supportive atmosphere.

Beyond the race, the event includes reserved campsites, food trucks, music, and a vibrant pit area for spectators and crews. Finishers earn medals, headbands, and finisher shirts, celebrating their endurance and grit. Visit the organization's website for the most recent information.