World's Toughest Mudder 2025

This is it. The most extreme, insane, imposing, pulse-pounding, heart-stopping 24-hour obstacle course challenge on the planet. This is World's Toughest Mudder. The rules are simple: complete as many 5-mile laps as possible in 24 hours. Take on course-exclusive challenges, be the first to access brand-new obstacles...and you could win big. But don't say we didn't warn you...this one isn't for the faint of heart.

Event details and schedule

Join us for an unforgettable experience at Belvoir Castle in Grantham, United Kingdom. Prepare yourself for the ultimate test of endurance and strength.