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Trail Ultra runs in South East

Find trail ultra runs in South East in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

  • Sat 18 Apr 2026
Midhurst, West Sussex, UK

The Spring Trail Series by Ultra X

  • Trail run 2
  • 50K ultra run 2
  • Ultra run 3
  • Fri 1 May 2026
Egham, Surrey, UK

Midweek Chasing Numbers May

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Sat 9 - Sun 10 May 2026
Reading, Berkshire, UK

Goring Gap Trails

  • Ultra run 2
  • Long distance walk
  • Short walk 2
  • Half marathon
  • Sat 9 May 2026
Chesham, Buckinghamshire, UK

Chiltern Hills 100K

  • 100 km trail running
  • Fri 5 Jun 2026
Egham, Surrey, UK

Midweek Chasing Numbers June

  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • 50K ultra run
  • + 3 more races
  • Sat 20 Jun 2026
Milton Keynes, Buckinghamshire, UK

Three Shires Way Ultra & Marathon | Ultra

  • 50 miles trail running + 1349 ft ascent
  • Fri 3 Jul 2026
Egham, Surrey, UK

Midweek Chasing Numbers July

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Fri 24 Jul 2026
Egham, Surrey, UK

Midweek Medal Madness Run July

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Fri 7 Aug 2026
Egham, Surrey, UK

Midweek Chasing Numbers Aug

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Fri 14 Aug 2026
Egham, Surrey, UK

Midweek Medal Madness Run August

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Fri 11 - Sun 13 Sep 2026
London, UK

Thames Path Ultra Challenge

  • 100K ultra run 2
  • 50K ultra run 2
  • Trail run 4
  • Ultra run
  • 10K run
  • + 4 more races

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