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 2 - Mon 4 May 2026
- £6-£69
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.
- Families
- Newcomers
- Fancy dress
- Event village
- All ages
- 10 miler 2
- 10K run
- Marathon 2
- Fun run 6
- Multi-terrain run
- 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
- Sat 16 - Sun 17 May 2026
- £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!
- Families
- Newcomers
- Entertainment
- Music
- Event village
- Rural
- Coast
- Age 14 & over
- Trail run 2
- 50K ultra run 2
- 100K ultra run 2
- Marathon
- Ultra run
- + 1 more race
- Sun 17 May 2026
- £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!
- Newcomers
- Dogs allowed at venue
- Event village
- Park
- Age 14 & over
- 5K run
- Multi-terrain run 2
- Half marathon 2
- Marathon
- 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 5
- Sat 16 - Sun 17 May 2026
London West Spartan Trifecta Weekend
- Fun run 9
- Half marathon 2
- 5K run 2
- 10K run 2
- Sun 17 May 2026
The Maypole Project Chislehurst Half Marathon
- 13.1 miles multi terrain running + 883 ft ascent