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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- Sat 9 - Sun 10 May 2026
- £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.
- Newcomers
- Chip timing
- Enter online
- GPS tracking
- Event village
- Rural
- Age 18 & over
- 24 hrs trail running + 8561 ft ascent

- Sun 10 May 2026
- £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.
- Newcomers
- Event village
- Rural
- Age 18 & over
- 10K run
- Half marathon
- Marathon
- Trail run
- Ultra run

- Fri 29 - Sun 31 May 2026
- £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.
- Families
- Recycling
- Newcomers
- Plastic bottle free
- Entertainment
- Music
- Event village
- Event expo
- Park
- Rural
- Mountains
- Sustainability policy
- Public transport links
- All ages
- Ultra run
- Trail run 4
- Walking festival
- Half marathon
- Sat 9 - Sun 10 May 2026
Tough Mudder London West
- Obstacle race 11
- Sat 16 - Sun 17 May 2026
London West Spartan Trifecta Weekend
- Fun run 6
- 5K run 2
- Half marathon
- 10K run