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Fun runs in UK in September 2025

Find fun runs near me in UK 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.

  • Sun 14 Sep
Frodsham, Cheshire, UK

Defeat Delamere | Mini-Miler

  • 1 mile trail running
  • Sun 14 Sep
Cirencester, Gloucestershire, UK

Coln Valley Trail Runs | 2K Steeplechase Fun Run

  • 2 km trail running
  • Sun 14 Sep
Richmond, UK

Richmond RUNFEST | WWF Kids' Mile

  • 1 mile multi terrain running
  • Sat 20 Sep
Brentwood, Essex, UK

Nuclear Fit

  • 6 km trail 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
Birmingham, West Midlands, UK

Birminghams Rainbow Rush | 2.5K

  • 2.5 km road running
  • Sat 20 Sep
Birmingham, West Midlands, UK

Birminghams Rainbow Rush | 5K

  • 5 km trail 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
Chester, Cheshire, UK

Run For Nature | Chester Zoo 5K, 10K and Kids Mile | Kids Mile

  • 1 mile road 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
Redcar, North Yorkshire, UK

Redcar Running Festival | 3K Fun Run

  • 3 km road 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 21 Sep
Reigate, Surrey, UK

Run Reigate | Kids Race

  • 1.1 miles road running + 13 m ascent
  • Fri 26 Sep
Glasgow, Glasgow City, UK

3K on the Green

  • 3 km road running
  • Sun 28 Sep
Windsor, Berkshire, UK

Windsor Half Marathon | Sprite Sprint

  • 40 m road running
  • Sun 28 Sep
Sandringham, Norfolk, UK

Run Sandringham | Community Mile

  • 1 mile trail running
  • Sun 28 Sep
Inverness, Highland, UK

Loch Ness Marathon Running Festival | Wee Nessie

  • 800 m road running
  • Sun 28 Sep
Nottingham, Nottinghamshire, UK

Robin Hood Half & Mini Marathon | Mini Marathon

  • 1.5 miles road running
  • Sun 28 Sep
Cambridge, Cambridgeshire, UK

Grantchester Charity Runs | 3K

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

Run Barns Green | Kids Colour Run

  • 750 m multi terrain running

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