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5K runs in South East in September 2025

Find 5k runs near me in South East 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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Select an event for photos, video, route, location, reviews, entry fees 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
  • £100
Horsham, West Sussex, UK

Tough Mudder London South | 5K - Saturday

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 online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running
Come and join the day of running and aim to complete a 5K at your own pace on a scenic course then receive a fantastic themed medal and goody bag at the finish!
  • Sun 21 Sep
  • £23-£27
Staines, Surrey, UK

Fraggle Run | 5K

Come and join the day of running and aim to complete a 5K at your own pace on a scenic course then receive a fantastic themed medal and goody bag at the finish!

  • Enter online
  • Flat
  • Traffic free
  • Age 12 & over
  • 5 km trail running + 0 ft ascent
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
  • £100
Horsham, West Sussex, UK

Tough Mudder London South | 5K - 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 online
  • Hilly
  • Traffic free
  • Fundraising optional
  • Age 14 & over
  • 5 km multi terrain running
Come and join the day of running and aim to complete a 5K at your own pace on a scenic out-and-back course then receive a fantastic themed medal and goody bag at the finish!
  • Sat 27 Sep
  • £23-£27
Staines, Surrey, UK

Romp Run | 5K

Come and join the day of running and aim to complete a 5K at your own pace on a scenic out-and-back course then receive a fantastic themed medal and goody bag at the finish!

  • Enter online
  • Flat
  • Traffic free
  • Age 12 & over
  • 5 km trail running + 0 ft ascent
  • Sat 20 Sep
Waterlooville, Hampshire, UK

Hambledon Hilly | 5K

  • 5 km trail running
  • Sun 21 Sep
Tunbridge Wells, Kent, UK

Hospice Run | 5K

  • 5 km road running + 229 ft ascent
  • Sun 21 Sep
Reigate, Surrey, UK

Run Reigate | 5K

  • 5 km road running + 82 m ascent
  • Sun 28 Sep
Dartford, Kent, UK

The River Run | 5K

  • 5 km trail running
  • Sun 28 Sep
Andover, Hampshire, UK

The Amport Trail Run | 5K CaniCross

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

Run Barns Green | 5K

  • 5 km road running
  • Sun 28 Sep
Andover, Hampshire, UK

The Amport Trail Run | 5K

  • 5 km multi terrain running

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