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Mud runs in September 2025

Find mud runs in September 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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The UK's toughest 10K! The first wave to set off on event day and open to individuals only. The mission is simple, be within the first 3 top men or women back to base and take the glory! Free 2nd lap.
  • Sat 13 Sep
  • £74.95
  • Sat 13 Sep
  • £74.95
Clitheroe, Lancashire, UK

Born Survivor | Lancashire | 10K Elite Squadron

The UK's toughest 10K! The first wave to set off on event day and open to individuals only. The mission is simple, be within the first 3 top men or women back to base and take the glory! Free 2nd lap.

  • Enter online
  • Undulating
  • Traffic free
  • Age 16 & over
  • 10 km multi terrain running
The UK's toughest 10km with Military escape routes! Shorten the course to 8km or 6km via escape routes should the day get too tough!
  • Sat 13 Sep
  • £64.95-£69.95
  • Sat 13 Sep
  • £64.95-£69.95
Clitheroe, Lancashire, UK

Born Survivor | Lancashire | 10K Classic Survivor

The UK's toughest 10km with Military escape routes! Shorten the course to 8km or 6km via escape routes should the day get too tough!

  • Enter online
  • Undulating
  • Traffic free
  • Age 16 & over
  • 10 km multi terrain running
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!
  • Sat 20 Sep
  • 4 charities
  • Sat 20 Sep
  • 4 charities
Horsham, West Sussex, UK

Tough Mudder London South | 15K - Saturday

Secure your charity place in Tough Mudder London South 15K Saturday today. Run for charity in a muddy obstacle course while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 15 km multi terrain running
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!
  • Sat 20 Sep
  • 3 charities
  • Sat 20 Sep
  • 3 charities
Horsham, West Sussex, UK

Tough Mudder London South | 5K - Saturday

Secure your charity place in Tough Mudder London South 5K Saturday today. Run for charity in a muddy obstacle course while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running
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!
  • Sun 21 Sep
  • 4 charities
  • Sun 21 Sep
  • 4 charities
Horsham, West Sussex, UK

Tough Mudder London South | 15K - Sunday

Secure your charity place in Tough Mudder London South 15K Sunday today. Run for charity in a muddy obstacle course while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 15 km multi terrain running
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!
  • Sun 21 Sep
  • 3 charities
  • Sun 21 Sep
  • 3 charities
Horsham, West Sussex, UK

Tough Mudder London South | 5K - Sunday

Secure your charity place in Tough Mudder London South 5K Sunday today. Run for charity in a muddy obstacle course while supporting top UK charities. Find a cause and join their team today!

  • Enter online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running
  • Sat 6 Sep
Brentwood, Essex, UK

Nuclear Races Mud Tribe | Mud Sisters

  • 5 km trail running
  • Sat 6 Sep
Brentwood, Essex, UK

Nuclear Races Mud Tribe | Mud Misters

  • 5 km trail running
  • Sat 6 Sep
Brentwood, Essex, UK

Nuclear Races Mud Tribe | Mud Family

  • 5 km trail running
  • Sun 7 Sep
Fife, UK

Really Muddy Fife | 10K

  • 10 km multi terrain running
  • Sun 7 Sep
Fife, UK

Really Muddy Fife | 5K

  • 5 km multi terrain running
  • Sun 7 Sep
Fife, UK

Really Muddy Fife | Kids 3K

  • 3 km multi terrain running

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