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Runs in West Sussex in September 2025

Find runs near me in West Sussex in September 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Click an event for full event details, location, route, sustainability, what's included and how to enter.

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 today. Challenge yourself through mud and over obstacles 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 today. Challenge yourself through mud and over obstacles 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 today. Challenge yourself through mud and over obstacles 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 today. Challenge yourself through mud and over obstacles 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 20 Sep
Horsham, West Sussex, UK

Tough Mudder London South | Kids by Spartan 3K - Saturday

  • 3 km multi terrain running
  • Sat 20 Sep
Horsham, West Sussex, UK

Tough Mudder London South | Kids by Spartan 1.5K - Saturday

  • 1.5 km multi terrain running
  • Sat 20 Sep
Horsham, West Sussex, UK

Tough Mudder London South | Kids by Spartan 1K - Saturday

  • 1 km multi terrain running
  • Sun 21 Sep
Horsham, West Sussex, UK

Tough Mudder London South | Kids by Spartan 3K - Sunday

  • 3 km multi terrain running
  • Sun 21 Sep
Horsham, West Sussex, UK

Tough Mudder London South | Kids by Spartan 1.5K - Sunday

  • 1.5 km multi terrain running
  • Sun 21 Sep
Horsham, West Sussex, UK

Tough Mudder London South | Kids by Spartan 1K - Sunday

  • 1 km multi terrain running
  • Sun 28 Sep
Horsham, West Sussex, UK

Run Barns Green | 5K

  • 5 km road running
  • Sun 28 Sep
Horsham, West Sussex, UK

Run Barns Green | Half Marathon

  • 13.1 miles road running
  • Sun 28 Sep
Horsham, West Sussex, UK

Run Barns Green | 10K

  • 10 km road running
  • Sun 28 Sep
Horsham, West Sussex, UK

Run Barns Green | Kids Colour Run

  • 750 m multi terrain running

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