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Hilly 100K ultra runs in South East

Find hilly 100k ultra runs in South East in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further this year!
  • Sat 2 - Sun 3 May
  • £39-£199
Ventnor, Isle of Wight

Isle of Wight Ultra Challenge

Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further this year!

  • Trail run 3
  • 50K ultra run 3
  • 100K ultra run 2
  • Ultra run
  • Families
  • Beginner-friendly
  • Entertainment
  • Music
  • Event village
  • Age 14 & over
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
  • Sat 9 May
  • £118-£120
Chesham, Buckinghamshire

Chiltern Hills 100K

  • 100 km trail running

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