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Ultra runs in South East

Find ultra runs near me in South East for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.

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Click an event for full event details, location, route, sustainability, what's included and how to enter.

  • Sun 25 May
Arundel, West Sussex, UK

UK Ultra South Downs 100K

  • 100 km trail running
  • Sun 25 May
Brighton, East Sussex, UK

UK Ultra South Downs 50K

  • 50 km trail running
  • Sat 31 May
Rochester, Kent, UK

Three Castles 50K

  • 50 km trail running
  • Sat 31 May
Maidenhead, Berkshire, UK

Beat The Sunset 50K

  • 50 km multi terrain running
  • Sat 14 Jun
Winchester, Hampshire, UK

South Downs Way 100

  • 100 miles trail running
  • Sat 14 Jun
Andover, Wiltshire, UK

Salisbury Plain Summer Edition | Ultra

  • 50 km trail running
  • Sat 21 Jun
Dorking, Surrey, UK

Hydra 75 Mile Ultra

  • 75 miles trail running
  • Sat 21 Jun
Milton Keynes, Buckinghamshire, UK

Three Shires Way Ultra & Marathon | Ultra

  • 50 miles trail running
  • Sat 21 Jun
Dorking, Surrey, UK

Minotaur 50 Mile Ultra

  • 50 miles trail running
  • Sat 21 Jun
Dorking, Surrey, UK

Centaur 100 Mile Ultra

  • 100 miles trail running
  • Sat 27 Sep
Lewes, East Sussex, UK

Dark Downs 50K Race

  • 50 km trail running
  • Sat 4 Oct
Uckfield, East Sussex, UK

London South East Spartan Trifecta Weekend | Ultra 50K - Saturday

  • 50 km multi terrain running
  • Sat 4 - Sun 5 Oct
Kent, UK

The Runway 100! | The Runway 100!

  • 100 miles road running + 400 m ascent
  • Sat 4 - Sun 5 Oct
Kent, UK

The Runway 100! | 24 Hour Challenge

  • 24 hrs road running
  • Sat 4 - Sun 5 Oct
Kent, UK

The Runway 100! | Runway Pacer entry

  • 22 hrs road running
  • Sat 25 Oct
Oxford, Oxfordshire, UK

Thames Trail Ultra

  • 47 miles trail running
  • Sat 10 Jan 2026
Aylesbury, Buckinghamshire, UK

Country to Capital Ultra

  • 43 miles trail running

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