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100K ultra runs in East Sussex in September 2025

Find 100k ultra runs near me in East 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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Walk, jog or run along the capital to coast route for charity, with a range of distance options available and superb support all the way, for all abilities and experience levels.
  • Sat 24 - Sun 25 May 2025
  • £10-£40
  • 8 charities
  • Sat 24 - Sun 25 May 2025
  • £10-£40
  • 8 charities
Brighton, East Sussex, UK

London 2 Brighton Ultra Challenge

Walk, jog or run along the capital to coast route for charity, with a range of distance options available and superb support all the way, for all abilities and experience levels.

  • Entertainment
  • Chip timing
  • Enter online
  • GPS tracking
  • Fundraising required
  • Undulating
  • Event village
  • Age 14 & over
  • 1 day trail running
The South Downs National Park is a superb backdrop for a real charity challenge featuring Beachy Head, the Seven Sisters and the South Downs Way with a choice of distances from 25km right up to 100km!
  • Sat 6 - Sun 7 Sep 2025
  • £30-£50
  • 15 charities
  • Sat 6 - Sun 7 Sep 2025
  • £30-£50
  • 15 charities
Eastbourne, East Sussex, UK

South Coast Ultra Challenge

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

  • Newcomers
  • Music
  • Chip timing
  • Enter online
  • GPS tracking
  • Fundraising required
  • Undulating
  • Event village
  • Urban
  • Rural
  • Coast
  • Age 14 & over
  • 1 day trail running
  • Sat 26 Apr 2025
Brighton, East Sussex, UK

Brighton to London Ultra

  • 100 km trail running + 1489 m ascent

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