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50K ultra runs in South East in September 2026

Find 50k ultra runs in South East in September 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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Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course was previously rated one of the top UK marathons.
  • Sat 12 Sep
  • £60-£62
Wadhurst, East Sussex, UK

Bewl Water Autumn | Ultra

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

  • 50 km trail running + 1500 ft ascent
  • Chip timing
  • Enter online
  • Hilly
  • Age 20-80
  • Sat 12 - Sun 13 Sep
  • £139
Egham, Surrey, UK

Thames Path Ultra Challenge | 2nd Half Challenge 50K

  • 50 km trail running + 150 m ascent
  • Sat 26 Sep
  • £139
Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Full 50km Challenge

  • 50 km trail running + 920 m ascent

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