5
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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- Sat 12 Sep 2026
- £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.
- Chip timing
- Enter online
- Hilly
- Age 20-80
- 50 km trail running + 1500 ft ascent
- Sat 19 Sep 2026
- £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.
- Chip timing
- Enter online
- GPS tracking
- Mountainous
- Age 18 & over
- 50 km road running + 3100 m ascent
- Fri 11 - Sun 13 Sep 2026
London, UK
Thames Path Ultra Challenge
- 100K ultra run 2
- 50K ultra run 2
- Trail run 4
- Charity walk 4
- Ultra run
- + 1 more race
- Sat 19 Sep 2026
Hope Valley, Derbyshire, UK
Peak District Challenge | Bronze Challenge 50K
- 50 km trail running + 1140 m ascent