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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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  • Sat 2 - Sun 3 May
  • £39-£199
Ventnor, Isle of Wight, UK

Isle of Wight Ultra Challenge

  • Trail run 3
  • 50K ultra run 3
  • 100K ultra run 2
  • Ultra run
  • Sat 9 May
  • £118-£120
Chesham, Buckinghamshire, UK

Chiltern Hills 100K

  • 100 km trail running
  • Sat 5 - Sun 6 Sep
  • £89-£199
Polegate, East Sussex, UK

South Coast Ultra Challenge

  • 100K ultra run 2
  • Ultra run 2
  • Trail run

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