Tough Mudder is an obstacle-course and endurance event series, now under the same parent company as Spartan Race following a recent acquisition. World’s Toughest Mudder is its flagship event: a 24-hour extreme endurance obstacle race that can be entered individually or as a 4-person team relay, held June 26–27, 2027 at Belvoir Castle, Grantham, Lincolnshire, NG32 1PE, UK. Individual and Team Relay entries start at $429, with Pit Crew/Spectator passes at $35. WERUCK is an independent outbound listings directory — registration and all event operations are handled directly by Tough Mudder at toughmudder.com.
Tough Mudder is an obstacle-course and endurance event series offering 5K, 15K, and Infinity (multi-lap) race formats, along with the flagship World’s Toughest Mudder, a 24-hour extreme endurance event. Tough Mudder is owned by the same parent company as Spartan Race following a recent acquisition that brought the two obstacle-race brands together.
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