376
Trail runs in UK in May 2026
Find trail runs in UK in May 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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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 30 - Sun 31 May
- FREE-£85
Ambleside, Cumbria
Lake District Running Festival
50+ years of Lake District running in one unforgettable weekend! Trail runners, fell runners, orienteers and walkers of all abilities in an iconic location with family-friendly activities and more.
- Ultra run
- 10K run
- 5K run
- Trail run
- Marathon
- + 5 more races
- Sun 10 May
- £28-£51
Thirsk, North Yorkshire
Hardmoors 26.2 White Horse Trail Marathon
- 10K run
- Half marathon
- Marathon
- Sun 10 May
- £28-£42
Polegate, East Sussex
The Rathfinny Run 10.7K and Half Marathon
- 10K run
- Half marathon
- Sun 10 May
- £20-£22
Letchworth Garden City, Hertfordshire
The Greenway Challenge
- 13 miles trail running
- Thu 14 May
- £8-£26
Wokingham, Berkshire
Dinton 5K & 10K Summer Series - Race 1
- Fun run
- 5K run
- 10K run
- Thu 14 May
- £17-£24
Leyburn, North Yorkshire
Stately Trails: Constable Burton
- 5K run
- 10K run
- Short walk
- Sat 16 - Sun 17 May
- £21-£34
Exmouth, Devon
Running Events Devon - May we Challenge You
- Fixed time runs 2
- Sat 16 May
- £20-£50
Rugeley, Staffordshire
Merrell Cannock Chase Challenge
- Half marathon
- CaniCross
- Marathon
- 10K run
- Sat 16 - Sun 17 May
- £20-£152
Helston, Cornwall
Bownder
- 100 mile ultra run
- 100K ultra run
- Multi-terrain run
- 50K ultra run
- Marathon
- + 2 more races
- Sat 16 May
- £30-£32
Matlock, Derbyshire
White Peak Half Marathon
- 13.1 miles trail running + 800 ft ascent
- Sat 16 May
- £17-£19
Matlock, Derbyshire
Festival of Running Down in a Shot 10K
- 10 km trail running + 372 m ascent