Ultra runs in UK in September 2026
Find 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 6 Sep
- £33-£38
FEAR (Forget Everything And Run) | Ultra Marathon
Run as far as you can during the 4 or 6-hour event through Brandon Country Park in the very heart of Thetford Forest on a multi-terrain loop. Run, rest, then head out for more.
- 6 hrs multi terrain running
- Sat 12 Sep
- £80-£120
Thetford Back Yard Ultra Festival
Push your limits in this late-summer Thetford Backyard Ultra — run 4.167 miles every hour, on the hour, until only one runner remains standing.
- Fixed time runs 2
- Ultra run
- Sat 12 Sep
- £60-£62
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
- Fri 18 - Sat 19 Sep
- £61-£99
Peak District Challenge
Trek or run through the Peak District on a distance of your choice from 25K to 100 miles with full safety support, food, drinks and a delicious stew supper! Navigate your way or join a guided group.
- Trail run 2
- 100K ultra run
- 100 mile ultra run
- 50K ultra run
- Fri 18 - Sun 20 Sep
- £40-£220
Skyline Scotland
Seven races. One epic weekend. Salomon Skyline Scotland® returns, hosted at Nevis Range, Fort William.
- 100K ultra run
- Trail run 3
- Marathon 2
- Half marathon
- 10K run
- Sat 19 Sep
- £15-£60
Salmon Run
An ultra 43-mile and team relay with opportunities for runners of all speeds on one day, empathising with the challenges faced by the endangered Exe Atlantic river salmon as they go upstream to spawn!
- 5K run
- Ultra run
- Multi-terrain run
- Sat 19 Sep
- £54-£56
Oktoberfest | Ultra Marathon
Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. An ultra marathon to warm the depths of your heart along the flat, even towpath - this event is perfect for all abilities.
- 33 miles trail running + 243 ft ascent
- Sat 19 Sep
- £33-£38
The Lucky Horseshoe | Ultra Marathon
Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!
- 7 hrs trail running + 1260 ft ascent
- Sun 20 Sep
- £37.50-£39.50
Something to Talk About
Set in the heart of the beautiful New Forest, with a Grade I listed 'calendar' manor house as the backdrop, this is a technical trail loop suitable for all abilities.
- 7 hrs trail running + 404 ft ascent
- Fri 25 - Sun 27 Sep
- £65-£250
Altra 13 Valleys
Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!
- Trail run
- Ultra run 3
- Sun 27 Sep
- £37.50-£39.50
SoBo Series | Volume 4 | Stop me (if you think you've heard this one before)
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
- 7 hrs road running
- Sun 27 Sep
- £31-£38
The Wensum Way Trail | Ultra Marathon
Enjoy the stunning route, push your limits, and, of course, earn your race bling over ultra distance. Runners will love the fuel and encouragement with every lap!
- 6 hrs trail running
- Wed 30 Sep
- £34.20-£40
Kingfisher Challenge
Mature woodland, waterways and open grassland - it’s simply trail running perfection! Run as many 5K laps as you wish in the time limit, then receive your well-deserved medal, flapjack and beer.
- 6 hrs trail running
- Sat 5 - Sun 6 Sep
- £89-£199
South Coast Ultra Challenge
- 100K ultra run 2
- Ultra run 2
- Trail run
- Fri 11 - Sun 13 Sep
- £39-£199
Thames Path Ultra Challenge
- 100K ultra run 2
- 50K ultra run 2
- Trail run 4
- Charity walk 4
- Ultra run
- + 1 more race
- Sat 26 Sep
- £139
Chiltern 50 Ultra Challenge | Full 50km Challenge
- 50 km trail running + 920 m ascent