15

Runs with charity places in South East in September 2026

Find runs with charity places in South East in September 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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The South Downs National Park is a superb backdrop for a real challenge featuring Beachy Head, the Seven Sisters and the South Downs Way with a choice of distances from 25km right up to 100km!
  • Sat 5 - Sun 6 Sep
  • £89-£199
Polegate, East Sussex

South Coast Ultra Challenge

The South Downs National Park is a superb backdrop for a real challenge featuring Beachy Head, the Seven Sisters and the South Downs Way with a choice of distances from 25km right up to 100km!

  • 100K ultra run 2
  • Ultra run 2
  • Trail run
  • Families
  • Beginner-friendly
  • Music
  • Event village
  • Urban
  • Rural
  • Coast
  • Age 14 & over
England’s greatest river provides a fantastic backdrop for an unforgettable 'festival' challenge weekend, with distances from 10km right up to 100km there’s a Thames Challenge for everyone!
  • Fri 11 - Sun 13 Sep
  • £39-£199
London

Thames Path Ultra Challenge

England’s greatest river provides a fantastic backdrop for an unforgettable 'festival' challenge weekend, with distances from 10km right up to 100km there’s a Thames Challenge for everyone!

  • 100K ultra run 2
  • 50K ultra run 2
  • Trail run 4
  • Charity walk 4
  • Ultra run
  • + 1 more race
  • Families
  • Beginner-friendly
  • Entertainment
  • Music
  • Event village
  • Urban
  • Rural
  • Age 14 & over
A beautiful, end-of-season, looped challenge in some of the Chilterns' finest countryside, with historic trails, rolling hills, nature reserves and fantastic views with routes from 10km up to 50km.
  • Sat 26 Sep
  • £49-£139
Henley-on-Thames, Buckinghamshire

Chiltern 50 Ultra Challenge

A beautiful, end-of-season, looped challenge in some of the Chilterns' finest countryside, with historic trails, rolling hills, nature reserves and fantastic views with routes from 10km up to 50km.

  • 50K ultra run
  • Trail run
  • 10K run
  • Families
  • Beginner-friendly
  • Music
  • Event village
  • Urban
  • Rural
  • Age 14 & over
  • Sun 20 Sep
  • £95-£100
Horsham, West Sussex

Tough Mudder London South | 15K - Sunday

  • 15 km multi terrain running

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