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 2026
- £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.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 6 hrs multi terrain running
- Sat 12 Sep 2026
- £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.
- Families
- Newcomers
- Event village
- Age 12 & over
- Fixed time runs 2
- Ultra run
- Sat 12 Sep 2026
- £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.
- Chip timing
- Enter online
- Hilly
- Age 20-80
- 50 km trail running + 1500 ft ascent
- Sat 19 Sep 2026
- £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.
- Chip timing
- Enter online
- Flat
- PB
- Age 21 & over
- 33 miles trail running + 243 ft ascent
- Sat 19 Sep 2026
- £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!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 7 hrs trail running + 1260 ft ascent
- Sun 20 Sep 2026
- £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.
- Families
- Newcomers
- Enter online
- Undulating
- Traffic free
- Event village
- Age 18 & over
- 7 hrs trail running + 404 ft ascent
- Fri 25 - Sun 27 Sep 2026
- £57.50-£185
- Saver offer
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!
Limited time offer
- Newcomers
- Event village
- Rural
- Mountains
- Sustainability policy
- Age 17 & over
- Trail run
- Ultra run 3
- Sun 27 Sep 2026
- £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.
- Newcomers
- Enter online
- Flat
- Traffic free
- Event village
- Coast
- Public transport links
- Age 18 & over
- 7 hrs road running + 0 ft ascent
- Sun 27 Sep 2026
- £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!
- Enter online
- Age 18 & over
- 6 hrs trail running + 62 ft ascent