50K ultra runs in UK in May 2026
Find 50k ultra runs near me in UK in May 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.
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- Fri 1 May 2026
- £20-£27
Midweek Chasing Numbers May | 50K
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Mon 4 May 2026
- £20-£27
Bank Holiday Madness May | 50K
Come and join the day of running and aim to complete a midweek 50K within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!
- Enter online
- Flat
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Mon 4 May 2026
- £20-£27
Bank Holiday Madness May | Ultra Marathon
Come and join the day of running and aim to complete a midweek ulltra within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!
- Enter online
- Flat
- Age 20 & over
- 30.6 miles trail running + 0 ft ascent
- Sun 10 May 2026
- £60
Shires and Spires | Ultra
The circular 35 mile ultra is a registered UTMB index race with 20.2 miles of cross country trails and 14.3 miles on road through wonderful countryside. Fully tracked and interactive
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 35 miles multi terrain running + 2052 ft ascent
- Sun 17 May 2026
- £75-£80
Keswick Mountain Festival | adidas TERREX 50K Trail Ultra Marathon
The ultra is graded ‘very hard’ and one to get into your ultra running calendar if you’re looking for UTMB index runs where you can bag points. Includes Full Weekend Festival Ticket in the price!
- Newcomers
- Music
- Chip timing
- Mountainous
- Event village
- Age 18 & over
- 50 km trail running + 1995 m ascent
- Thu 21 May 2026
- £17-£36
Dun Holm Challenge | Day 1 | 50K
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped 50K is for you! Durham-themed medals too.
- Enter online
- Undulating
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Thu 21 May 2026
- £17-£36
Dun Holm Challenge | Day 1 | Ultra Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped ultra is for you! Durham-themed medals too.
- Enter online
- Undulating
- Age 20 & over
- 30.6 miles trail running + 72 ft ascent
- Fri 22 May 2026
- £17-£36
Dun Holm Challenge - Day 2 | 50K
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped 50K is for you! Durham-themed medals too.
- Enter online
- Undulating
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Sat 23 May 2026
- £33-£38
Farmmageddon | Ultra Marathon
Can you survive Farmmageddon? Run an ultra over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 32 miles trail running + 164 ft ascent
- Sat 23 May 2026
- £17-£36
Dun Holm Challenge | Day 3 | 50K
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped 50K is for you! Durham-themed medals too.
- Enter online
- Undulating
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Sat 23 May 2026
- £17-£36
Dun Holm Challenge | Day 3 | Ultra Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped ultra is for you! Durham-themed medals too.
- Enter online
- Undulating
- Age 20 & over
- 30.6 miles trail running + 72 ft ascent
- Sun 24 May 2026
- £17-£36
Dun Holm Challenge | Day 4 | 50K
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped 50K is for you! Durham-themed medals too.
- Enter online
- Undulating
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Mon 25 May 2026
- £17-£36
Dun Holm Challenge | Day 5 | 50K
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this lapped 50K is for you! Durham-themed medals too.
- Enter online
- Undulating
- Age 20 & over
- 50 km trail running + 72 ft ascent
- Sat 30 May 2026
- £79
Blair Castle Trail Weekender | Full Tilt Ultra 58K
Taking in the two Munro summits of Cairn a Chlamain and Ben Dearg along with Glen Tilt and the vast forests of Blairuachdair, the Full Tilt Ultra has it all. Are you up to the challenge?
- Chip timing
- Enter online
- Mountainous
- Traffic free
- Age 18 & over
- 58 km trail running + 2026 m ascent
- Sun 3 May 2026
Tempo Trail Races | 50K Ultra
- 50 km trail running + 3541 ft ascent