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.
- Sprint orienteer
- 5K run
- 10K run
- Trail run
- Marathon
- + 5 more races
- Thu 14 May
- £10-£17
Rodley - Rock up n' Run
Come and join in at Rodley for this brilliant pop-up Summer Series. Jumble medal, beer or soft drink and sweetie bag for all runners.
- 5K run
- 10K run
- Fri 15 - Sun 17 May
- £30
Keswick Mountain Festival
The UK's top outdoor sports festival! Incredible entertainment, sports events, speakers, live music, activities, brand expo, bars, food, drink and much more.
- 5K run 2
- 10K run
- Half marathon
- 50K ultra run
- Fell run
- + 14 more races
- Sat 16 May
- £35-£42
The Shindig in the Shire
Push your limits on a historic trail run through Ironbridge Gorge with scenic views, testing climbs, and a rewarding finish with great food, drink, and well-earned bling.
- Half marathon
- Marathon
- 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
- Sat 16 May
- £9-£28
Roadford Lake Trail Races
By popular demand, a selection of trail races has been added to the multi-sports weekend at the scenic Roadford Lake, with an inclusive and encouraging atmosphere, and lakeside camping.
- Fun run 2
- 5K run
- CaniCross 2
- 10K run
- Half marathon
- 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
- Sun 17 May
- FREE-£40
Smash Sherwood
Taking place at Sherwood Forest, Smash Sherwood is set to be a banger of a race! Expect mixed terrain, hills, loose surfaces and exposed tree roots as you experience the forest. Medal and T-shirt too!
- Fun run
- 5K run
- 10K run
- Trail run
- Wed 20 May
- £20
Calverley Chaos
Chaos on the Calverley Millennium Way. A 10km/6.5 mile trail race taking place on the fully marked Calverley Millennium Way footpath. Find out why it's Chaos...
- 10 km trail running + 774 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
Run it your way, from 5k to ultra, at your own pace, on a looped scenic Northampton trails. Inclusive, flexible, and rewarded with an amazing medal every time.
- 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
Walk, jog or run! Choose your distance from 5K to ultra, enjoy stunning Washlands trails, and earn a well-deserved medal and goody bag.
- 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.
- Sprint orienteer
- 5K run
- 10K 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