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100 mile ultra runs in South West

Find 100 mile ultra runs in South West 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 16 May
  • £150-£152
Helston, Cornwall

Bownder | Killyanchor - 100 Miles

  • 100 miles multi terrain running
  • Sat 20 Jun
  • £99
Poole, Dorset

Jurassic Coast 70K Ultra

  • 70 km trail running
  • Tue 23 - Wed 24 Jun
  • £54
Bristol, Gloucestershire

PWR Endure Backyard Ultra Marathon

  • 1 day multi terrain running
  • Sat 3 Oct
  • £95
Wadebridge, Cornwall

Cornwall's Backyard Ultra

  • 4.17 miles multi terrain running

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