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
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
- Sat 16 May
- £26-£28
Lincolnshire Run
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run
- + 1 more race
- Wed 20 May
- From £22
Calverley Chaos
Chaos on the Calverley Millennium Way. A 12km/7.5 mile trail race taking place on the fully marked Calverley Millennium Way footpath. Find out why it's Chaos...
- 5 miles trail running + 712 ft ascent
- Thu 21 May
- £15-£135
Dun Holm Challenge | Day 1
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 is the run for you! Themed medal too!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 4 more races
- Thu 21 May
- £10-£17
Saltaire - Rock up n' Run
Come and join in at Saltaire for this brilliant pop-up Summer Series. Jumble medal, beer or soft drink and sweetie bag for all runners.
- 5K run
- 10K run
- Fri 22 May
- £15-£29
Dun Holm Challenge - Day 2
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 is the run for you! Durham-themed medal too.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 23 May
- £15-£29
Dun Holm Challenge | Day 3
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 is the run for you! Durham-themed medal too.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- 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
- Sat 23 - Sun 24 May
- £33-£165
Farmmageddon
Can you survive Farmmageddon? You have 32 hours to complete 100 miles over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm. 24-hour or shorter distance options too.
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- + 2 more races
- Sat 23 - Sun 24 May
- £10-£55
Skipton Multisport Festival
Swim, bike and run in the Gateway to the Dales at this family-friendly multisport festival, featuring triathlon, trail running and scenic sportives over May Bank Holiday.
- Fun run 4
- Trail run
- Short sportive
- Long sportive
- Sportive
- + 7 more races
- Sat 23 May
- £15-£34
Catch Me If You Can - Northampton
Come and join in for the Catch Me If You Can event!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 23 May
- FREE
Cotswolds Lake 62 Spring Events | Fun Run
Enjoy a 1.5km fun run within an exclusive venue at this family-friendly multisport summer event.
- 1.5 km trail running
- Sun 24 May
- £15-£29
Dun Holm Challenge | Day 4
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 is the run for you! Durham-themed medal too.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 24 May
- £14-£42
Get the Hull out of Here
Based out of East Hull this race will run out on the TransPennine Trail towards Hornsea, it should allow runners to enjoy a flat even surface ideal or both beginners or for seasoned athletes.
- 5K run
- 10K run
- 10 miler
- Half marathon
- Trail run
- + 1 more race
- Sun 24 May
- £15-£34
Slow and Steady Wins The Race - Northampton
Come and join in for the Slow and Steady Wins The Race event!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Mon 25 May
- £15-£29
Dun Holm Challenge | Day 5
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 is the run for you! Durham-themed medal too.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Thu 28 May
- £10-£17
Slawit - Rock up n' Run
Come and join in at Slaithwaite (Slawit) for this brilliant pop-up Summer Series. Jumble medal, beer or soft drink and sweetie bag for all runners.
- 5K run
- 10K run
- Sat 30 - Sun 31 May
- FREE-£85
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
- Sat 30 May
- £67
The Telford T50 Trail Run
Take on the amazing Telford T50 pathway taking in so many special and interesting places in Telford. From the world-famous Ironbridge to the heights of the Wrekin, through past industrial areas.
- 50 miles trail running
- Sat 30 May
- £22
Silly Moo 7 Fun Run
A scenic 7K trail run through rolling countryside and working farmland, with a relaxed, friendly atmosphere and a well-earned post-run drink waiting at the finish. Fancy dress and non-runners welcome!
- 7 km trail running
- 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