World’s Toughest Mudder 2026

World’s Toughest Mudder is not for the faint-hearted. 🔥 This extreme 24-hour obstacle course challenge will push you to your absolute limits. You’ll face relentless 5-mile loops packed with brutal climbs, unforgiving terrain, and a constantly evolving gauntlet of obstacles designed to break even the toughest athletes.

Whether you are competing as an Individual or in a Team Relay , prepare to battle the elements, the course, and yourself from sunset to sunrise.

Format:

24-Hour Obstacle Course
Individual or Team Relay options
Pit Crew / Spectator passes available

Tickets & Info: https://toughmudder.co.uk/events/worlds-toughest-mudder/

You may also like the following events from Tough Mudder UK:

• This June, 6th June, 09:00 am, Tough Mudder Scotland 2026 in Inverkeithing
• This July, 4th July, 09:00 am, Tough Mudder Midlands 2026 in Grantham
• This October, 10th October, 09:00 am, Tough Mudder Manchester 2026 in Cheshire

Also check out other Workshops in Grantham, Contests in Grantham.