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50K ultra runs in UK in September 2026

Find 50k ultra runs in UK 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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A demanding 50km ultra through Yorkshire’s wildest trails, built to test endurance and resilience while rewarding runners with epic scenery, big climbs and a powerful sense of achievement.
  • Sat 5 Sep
  • £65-£67
Huddersfield, West Yorkshire, UK

Heights Ultra Trail | The Ramsden 50K

A demanding 50km ultra through Yorkshire’s wildest trails, built to test endurance and resilience while rewarding runners with epic scenery, big climbs and a powerful sense of achievement.

  • 50 km trail running + 3901 ft ascent
  • Chip timing
  • Enter online
  • Hilly
  • Age 21 & over
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
From rolling hills to woodland paths, this is an opportunity to test endurance, build trail confidence and enjoy a professionally supported experience designed for runners and walkers alike.
  • Sun 13 Sep
  • FREE-£110
Hope Valley, Derbyshire, UK

Ultra X England | 50K

From rolling hills to woodland paths, this is an opportunity to test endurance, build trail confidence and enjoy a professionally supported experience designed for runners and walkers alike.

  • 50 km multi terrain running + 1961 m ascent
  • Enter online
  • Age 18 & over
Take in the valleys of the dark peak and the scenic trails of the white peak and reach the highest point at 464m, with a 12-hour target time which is generous for runners and a brisk pace for hikers.
  • Sat 19 Sep
  • From £66
Hope Valley, Derbyshire, UK

Peak District Challenge | Bronze Challenge 50K

Take in the valleys of the dark peak and the scenic trails of the white peak and reach the highest point at 464m, with a 12-hour target time which is generous for runners and a brisk pace for hikers.

  • 50 km trail running + 1140 m ascent
  • Enter online
  • GPS tracking
  • Hilly
  • Age 16 & over
Tackle 47km and some serious ascent on the wild mountain ridges around Ben Nevis — a fearless, high-altitude ultra that rewards grit, strength and love of the peaks.
  • Sat 19 Sep
  • £100-£160
Fort William, Highland, UK

Skyline Scotland | Steall Ultra 50K

Tackle 47km and some serious ascent on the wild mountain ridges around Ben Nevis — a fearless, high-altitude ultra that rewards grit, strength and love of the peaks.

  • 50 km road running + 3100 m ascent
  • Chip timing
  • Enter online
  • GPS tracking
  • Mountainous
  • Age 18 & over
  • Mon 7 - Sat 12 Sep
  • £1,699-£2,099
Conwy, Clwyd, UK

Dragon’s Back Race

  • 6 days fell running
  • Fri 11 - Sun 13 Sep
  • £39-£199
London, UK

Thames Path Ultra Challenge

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