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Trail Ultra runs in South East in Summer

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

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The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
  • Sat 6 - Sun 7 Jun 2026
  • £95-£105
  • Team & charity places only
Reading, Berkshire, UK

Endure24 | Reading

The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?

Team & charity places only

  • Dogs allowed at venue
  • Entertainment
  • Music
  • Ballot
  • Chip timing
  • Enter online
  • Event village
  • Event expo
  • Park
  • Free venue entry
  • Sustainability policy
  • Relay
  • Age 18 & over
  • 24 hrs multi terrain running
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
  • Sat 13 Jun 2026
  • £60-£62
Wadhurst, East Sussex, UK

Bewl Water Summer | Ultra

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Hilly
  • Age 20-80
  • 50 km trail running + 1500 ft ascent
  • Sat 20 Jun 2026
Chichester, West Sussex, UK

Race to the King

  • 100K ultra run
  • 50K ultra run 2
  • Trail run
  • Ultra run
Series finale on wide forest gravel through Bedgebury National Pinetum and Forest. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.
  • Fri 26 Jun 2026
  • £113-£115
Goudhurst, Kent, UK

Kent Backyard Ultra | Round Four: Bedgebury

Series finale on wide forest gravel through Bedgebury National Pinetum and Forest. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.

  • Beginner-friendly
  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Event village
  • Rural
  • Age 16 & over
  • 1 day trail running
  • Sat 11 - Sun 12 Jul 2026
Watlington, Oxfordshire, UK

Race to the Stones

  • 50K ultra run 2
  • 100K ultra run 3
  • 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

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