World's Toughest Tough Mudder

Take on the ultimate challenge and join Team Macmillan for the first ever World’s Toughest Tough Mudder in the UK. Whether you’re taking on the challenge solo or tackling the toughest obstacles with friends and teammates by your side, we’d be proud to have you on #TeamGreen.

Date
28-29 June 2025
Location
Lincolnshire 
Join
£50 Registration Fee
£400 Fundraising Pledge Per Person
 

About The Event

Spread the word

How to enter the World's Toughest Mudder

A man wearing a Macmillan vest getting sprayed with water in the mud

Secure a charity place at the World's Toughest Mudder

A man wearing a Macmillan t-shirt running through electric shock wires

Use your own place

Members of Team Macmillan climbing over a wall together

Sign up as a team

Join us for the first World’s Toughest Tough Mudder 2025 and help us raise £200,000 for people living with cancer

How we'll support you

Icon T-shirt
A green hand holding up a green circle with a white GBP symbol

But most importantly...

Event details

Event Accessibility

Ready to join?

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