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100K ultra runs in South East in June 2025

Find 100k ultra runs near me in South East in June 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.
  • Sat 21 Jun
  • £170-£180
  • 4 charities
  • Sat 21 Jun
  • £170-£180
  • 4 charities
Chichester, West Sussex, UK

Race to the King | 100K

Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 100 km trail running + 4619 ft ascent

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