Sun 20 Sep 2026 Horsham, West Sussex, UK
Tough Mudder London South | 15K - Sunday
London South is the standout event of the series for good reason. 'Showstopper' obstacles, a diverse course, seriously muddy obstacles and a party atmosphere make it the ultimate mud party!
Enter now Charity places- Sun 20 Sep 2026
Holmbush Estate, Horsham
15K - Sunday
08:45
Age 14 & over
£90-£95
- 15 km multi terrain running
Event overview
This event is part of Tough Mudder London South.
Event details
- All fitness levels
- Event village
- Families
- Newcomers
- Spectators
- Teams
- Traders at event
Route
- First aid
- Hilly
- Marshals
- Traffic free
- Wave start
- Way markers
Location
- Bar
- Cafe
- Camping
- Changing facilities
- Free parking
- Music
- Park
- Secure bag storage
- Showers
- Toilets
What's included
- Camping
- Drinks
- Medal
- T-shirt
Do it for charity
Looking to do this event for charity? Charity entry options are explained on the Tough Mudder London South | 15K - Sunday charity places page.
Free sign up
Dementia
Alzheimer's Society
United to create a world without dementia.
- Technical t-shirt
- Running vest
- Fundraising support
- Fundraising materials
- Pro training advice
- Training guide
- Online training zone
- Dedicated contact
- Exclusive social group
Own place
Buy own place + join charity team.
Fundraise
Any amount
How to enter
- Age 14 & over
- Entries open
- Charity places
- Collect race pack
- Enter online
- Event merch available
- Fundraising optional
- Pay by instalments