Trail runs in May 2026
Find trail runs near me in May 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by place
London
South East
South West
East of England
East Midlands
West Midlands
Yorkshire
North East
North West
Scotland
Wales
Northern Ireland
Europe
Filter by date
This week
This weekend
Next week
Next weekend
Mar
Apr
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Spring
Summer
Autumn
Winter
All dates
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Fri 1 May
- £15-£27
Midweek Chasing Numbers May
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.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Fri 1 May
- £100-£102
Portland Pig BackYard Ultra
4.167 miles on the hour, every hour, until the there is only one left standing. Have you got what it takes for just one more loop?
- 1 day multi terrain running
- Sat 2 - Sun 3 May
- £39-£199
Isle of Wight Ultra Challenge
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further this year!
- Trail run 3
- 50K ultra run 3
- 100K ultra run 2
- Ultra run
- Sat 2 - Sun 3 May
- FREE-£290
Ultra X Scotland
Join Scotland’s biggest ultramarathon! Take on a true wilderness running adventure through the Scottish Highlands, with flexible distances and an unforgettable expedition feel.
- Ultra run 4
- Trail run 2
- Sun 3 May
- £18-£32
The Bluebell Bash
Be sure to add this trail run through scenic bluebell forests to your spring running calendar. With fully-stocked aid stations, gorgeous scenery and a finisher’s medal to take home, it's for everyone.
- 5K run
- 10K run
- Half marathon
- CaniCross 3
- Sun 3 May
- FREE
Oldbury White Horse Sprint Triathlon Events | Fun Run
Enjoy a free family fun run as part of the much-loved Oldbury White Horse Triathlon day.
- 1.5 km trail running
- Mon 4 May
- £15-£27
Bank Holiday Madness May
This Bank Holiday event is run 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.
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Thu 7 May
- £10-£17
Kirkstall Rock up n' Run
Come and join in at Kirkstall for this brilliant pop-up Summer Series. Jumble medal, beer or soft drink and sweetie bag for all runners.
- 5K run
- 10K run
- Fri 8 - Mon 11 May
- £10-£80
Something Wild Festival
A family-friendly trail running festival for all ages and abilities with Devon's best trail routes at its heart - plus sea swims, swimruns, guided runs, yoga, music, speakers, local food and camping!
- Trail run
- 5K run
- 10K run
- Sea swim
- Sprint swimrun
- + 7 more races
- Fri 8 May
- £33.30-£39
Bat Challenge
A tough, but ever so rewarding, day/night out with views for miles! Start in daylight and if you keep going long enough you'll be in complete darkness!
- 6 hrs trail running
- Sat 9 May
- £33-£55
Magna Carta Summer
The Magna Carta event are based in scenic Runnymede and right near the site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
- 10K run
- Half marathon
- Marathon
- Sat 9 - Sun 10 May
- £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.
- 24 hrs trail running + 8561 ft ascent
- Sun 10 May
- £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.
- 10K run
- Half marathon
- Marathon
- Trail run
- Ultra run
- Sun 10 May
- £15-£35
The Spring Lucky Dip Run
Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 10 May
- £16
Yarrow River Bluebell 10K Trail Run
A beautiful Spring trail run through the heart of Yarrow Valley, timed perfectly to coincide with the colourful and fragrant bluebells. Great running, friendly vibes and a brilliant day out!
- 10 km trail running + 527 ft ascent
- 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 - 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
- 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