Trail 5K runs in UK in September 2026
Find trail 5k 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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- Sun 13 Sep
- £25
Defeat Delamere | 5K
Defeat Delamere 5K is set to be a banger of a race through challenging but beautiful landscapes, with a mix of extended downhill stretches and straightaways. Medal and T-shirt too!
- 5 km trail running + 97 m ascent
- Sat 19 Sep
- £27-£29
The Lucky Horseshoe | 5K
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!
- 5 km trail running
- 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
- Sun 27 Sep
- £27-£29
The Wensum Way Trail | 5K
Enjoy the stunning route, push your limits, and, of course, earn your race bling over 5K distance. Runners will love the fuel and encouragement with every lap!
- 5 km trail running
- Sun 27 Sep
- £25-£27
Battle Of Stamford Bridge Run | 5K
Come and join the day of running and aim to complete a 5K at your own pace on a circular route then receive a medal and goody bag at the finish!
- 5 km trail running
- Sat 5 Sep
- £10-£13.50
Lakeland Trails in Keswick | Derwentwater Sport Trail 5K
- 5 km trail running
- Sun 13 Sep
- £20-£30
Autumn Wolf | Wolf Run Trails 5K - Sunday
- 5 km trail running