Multi-terrain runs in UK in May 2026
Find multi-terrain 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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Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 2 - Sun 3 May
- £39-£199
Isle of Wight Ultra Challenge
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further this year!
- Trail run 3
- 50K ultra run 3
- 100K ultra run 2
- Ultra run
- Sat 2 - Mon 4 May
- £7-£75
Mid Sussex Marathon Weekend
Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.
- 10 miler 2
- 10K run
- Marathon 2
- Fun run 6
- Multi-terrain run
- Sat 9 - Sun 10 May
- £95.50-£155.50
24 Hours South | The Offa's Dyke Ultra
The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.
- 24 hrs trail running + 8561 ft ascent
- Sun 10 May
- £24-£60
Shires and Spires
A selection of races with top reviews based in the village of Naseby famous for the Battle of Naseby in 1645. The ultra takes in Althorp, home of the Spencer family and Princess Diana's resting place.
- 10K run
- Half marathon
- Marathon
- Trail run
- Ultra run
- Sun 10 May
- £16
Yarrow River Bluebell 10K Trail Run
A beautiful Spring trail run through the heart of Yarrow Valley, timed perfectly to coincide with the colourful and fragrant bluebells. Great running, friendly vibes and a brilliant day out!
- 10 km trail running + 527 ft ascent
- Sun 10 May
- £25
Odyssey 10K
Join the Odyssey 10km — a scenic multi-terrain race along the River Thames with instant app timing, medals, goody bags, awards and friendly marshals. Unforgettable running vibes!
- 10 km multi terrain running + 39 ft ascent
- Sat 16 - Sun 17 May
- £39-£199
Jurassic Coast Ultra Challenge
Walk, jog or run along the spectacular UNESCO World Heritage coastline from Corfe Castle past Lulworth Cove and Durdle Door, with full support, welcoming base camp and finish line celebration!
- Trail run 2
- 50K ultra run 2
- 100K ultra run 2
- Marathon
- Ultra run
- + 1 more race
- Sun 17 May
- £27-£38
The Birthday Run
Zig Zag Running is 6 years old this month so why not come along and celebrate?! You are promised lots of cake!
- 5K run
- Multi-terrain run 2
- Half marathon 2
- Marathon
- Ultra run
- Sat 23 - Sun 24 May
- £89-£199
London 2 Brighton Ultra Challenge
Walk, jog or run the capital-to-coast route with 2,000 other adventurers over a range of distance options available and superb support all the way, for all abilities and experience levels.
- Trail run 3
- Ultra run 2
- Marathon
- 100K ultra run 2
- Fri 29 - Sun 31 May
- £10-£79
Blair Castle Trail Weekender
A weekend of inclusive trail races, camping, festival vibes, yoga workshops, guided runs, live music and outdoor cinema, all based in the grounds of the iconic Blair Castle in the Cairngorms.
- Ultra run
- Trail run 4
- Walking festival
- Half marathon
- Sun 31 May
- £24-£42
Rothwell Cakeathon
Run. Refuel. Repeat. Take on the Rothwell Cakeathon and earn every slice in this friendly, traffic-free, flat, runnable course with a welcoming, no-pressure atmosphere.
- Trail run 2
- Half marathon
- Marathon
- Sat 9 - Sun 10 May
- £85-£145
Tough Mudder London West
- Obstacle race 5
- Sat 16 - Sun 17 May
- £20-£129.99
London West Spartan Trifecta Weekend
- Fun run 6
- 5K run 2
- Half marathon
- 10K run
- Sat 16 May
- £45-£85
The Trent Valley Ultra Marathon
- 50 km multi terrain running
- Sun 17 May
- £27-£35
The Maypole Project Chislehurst Half Marathon
- 13.1 miles multi terrain running + 883 ft ascent