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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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

Boosted
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.
  • Sat 30 - Sun 31 May
  • FREE-£85
Ambleside, Cumbria

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
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.
  • Sat 16 May
  • £26-£28
Lincoln, Lincolnshire

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
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...
  • Wed 20 May
  • From £22
Leeds, West Yorkshire

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
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!
  • Thu 21 May
  • £15-£135
Durham, County Durham

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
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.
  • Thu 21 May
  • £10-£17
Shipley, West Yorkshire

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
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.
  • Fri 22 May
  • £15-£29
Durham, County Durham

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
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.
  • Sat 23 May
  • £15-£29
Durham, County Durham

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
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.
  • Sat 23 - Sun 24 May
  • £89-£199
Brighton, East Sussex

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
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.
  • Sat 23 - Sun 24 May
  • £33-£165
Buntingford, Hertfordshire

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
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.
  • Sat 23 - Sun 24 May
  • £10-£55
Skipton, North Yorkshire

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
Come and join in for the Catch Me If You Can event!
  • Sat 23 May
  • £15-£34
Northampton, Northamptonshire

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
Enjoy a 1.5km fun run within an exclusive venue at this family-friendly multisport summer event.
  • Sat 23 May
  • FREE
Swindon, Wiltshire

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
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.
  • Sun 24 May
  • £15-£29
Durham, County Durham

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
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.
  • Sun 24 May
  • £14-£42
Hull, East Yorkshire

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
Come and join in for the Slow and Steady Wins The Race event!
  • Sun 24 May
  • £15-£34
Northampton, Northamptonshire

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
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.
  • Mon 25 May
  • £15-£29
Durham, County Durham

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
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.
  • Thu 28 May
  • £10-£17
Slaithwaite, West Yorkshire

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
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.
  • Sat 30 - Sun 31 May
  • FREE-£85
Ambleside, Cumbria

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
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.
  • Sat 30 May
  • £67
Telford, Shropshire

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
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!
  • Sat 30 May
  • £22
Horsham, West Sussex

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
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.
  • Sun 31 May
  • £24-£42
Leeds, West Yorkshire

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
  • Sat 2 May
  • £69.90-£79.90
Bristol, Somerset

Bristol Backyard Ultra

  • 1 day trail running
  • Sat 2 May
  • £10-£39
Kendal, Cumbria

Lakeland Trails in Staveley

  • 5K run
  • 10K run
  • Half marathon 2
  • Sat 2 May
  • £50-£99
Brecon, Powys

Rasus y Bannau

  • Marathon
  • Ultra run
  • 100K ultra run
  • Sat 2 May
  • £25-£30
Wetherby, West Yorkshire

Wild Hybrid Leeds - Bramham Park Solos

  • 5K run
  • 10K run
  • Sat 2 May
  • £40-£50
Jersey

The North Coast Race

  • 10 miler
  • Trail run

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