Take on Tough Mudder London South in 2026 for Winston’s Wish
Get ready to get filthy at Tough Mudder London South – set in the wild, wooded terrain of Holmbush Estate, just outside London. Take on the 5K or 15K course packed with 12+ or 20+ obstacles with the added challenge of knee-juddering hills, natural mudslides, and gravity-defying climbs and crawls. Earn your headband, medal, and finisher tee, then dive into the festival vibe of Mudder Village with music, food, and that well-deserved celebratory drink. Gather your team, test your limits, and see if you’re muddy enough for London South.
There’s even kids adventure courses too – packed full of obstacles to give children aged 4-14 years the chance to work as a team and get muddy.
Registration fee: 5K £95.12 | 15K £111.84 | Kids spartan (4-14 years) £23.60
Distance: 5K | 15K | Kids by Spartan 1K, 1.5K and 3K
Minimum sponsorship: no target, raise what you can.
With the most innovative 5K & 15K courses and millions of participants worldwide to date, it is you, your teammates and muddy strangers working together to conquer the course and earn the world-famous orange headband! Do you have what it takes to brave the Tough Mudder challenge?

