Tough Mudder – London South

20 Sep 25 21 Sep 25

Saturday 20 Sep 25 - Sunday 21 Sep 25

Fancy taking on Tough Mudder London for Guts UK?

Whether you’re looking for a fun 5k event to complete with family or friends, or you’re a serious runner looking for an exciting way to challenge yourself to a 15k, there’s a Tough Mudder for you!

There’ll be plenty of obstacles and mountains of mud to contend with whatever course you choose.

Decide your date and run length and use the link below to register your place. The registration fee is £30 plus £1.20 booking fee, and we ask that you aim to raise £300 in sponsorship:

What do you get from us?

A free Guts UK t-shirt or running vest to wear during the event (or afterwards, if you’d prefer to keep it clean!)
Dedicated support from our small but mighty fundraising team.

Why run for Guts UK?

To enable us to provide expert information and support people living with digestive conditions across the UK.
We’re the only national charity funding research into the whole digestive system from top to tail.