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100K ultra runs with no navigation required in South East

Find 100k ultra runs with no navigation required 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 full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.
  • Sat 5 - Sun 6 Sep
  • £199
Polegate, East Sussex

South Coast Ultra Challenge | Full 2 Day Daylight 100K

The full distance option of the South Coast Challenge over 2 days with 57km on day 1 and 43km on day 2, meaning you experience the route in daylight with the chance to sleep overnight.

  • 100 km trail running + 2100 m ascent
  • Chip timing
  • Enter online
  • GPS tracking
  • Hilly
  • Age 18 & over

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