
Tough Mudder London South 15k 2025

Obstacle
Location: Holmbush Estate
Start date: 20 Sep 2025
End date: 21 Sep 2025
Sign-up fee / price: £85+
Ready to take on the ultimate mud challenge in South London? The Holmbush Estate offers a thrilling course packed with woodland trails, rolling terrain and seriously muddy obstacles!
With over 20 epic obstacles on the 15k route (or a 5k option if you prefer), you can tackle it solo and make new friends en route or sign up as a team to support each other every step of the way.
Get your tough on and join Team Lily in the fight against mitochondrial disease.