Trail runs

Trail runs

The UK's most comprehensive calendar of trail runs with 1,500+ event listings. Search by date, location or map to find a trail run near you or browse to discover your perfect event.

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1708

Trail runs in the UK

Discover the fantastic range of trail runs in the UK right here, from off-road fun runs to extreme ultra marathons. Select your location for trail runs in your area or scroll down to see events coming up.

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Trail runs in 2025/2026

Featured events are listed below - select a month/region or the map view to see all events.

England’s greatest river provides a fantastic backdrop for an unforgettable 'festival' challenge weekend, with distances from 10km right up to 100km there’s a Thames Challenge for everyone!
  • Fri 12 - Sun 14 Sep
  • £39-£199
London, UK

Thames Path Ultra Challenge

England’s greatest river provides a fantastic backdrop for an unforgettable 'festival' challenge weekend, with distances from 10km right up to 100km there’s a Thames Challenge for everyone!

  • 100K ultra run 2
  • 50K ultra run 2
  • Trail run 4
  • Ultra run
  • 10K run
  • + 4 more races
Seven races. One epic day. Salomon Skyline Scotland® returns, hosted at Nevis Range, Fort William.
  • Sat 20 Sep
  • £40-£165
Fort William, Highland, UK

Skyline Scotland

Seven races. One epic day. Salomon Skyline Scotland® returns, hosted at Nevis Range, Fort William.

  • 100K ultra run
  • Trail run 2
  • Marathon 2
  • Half marathon
  • 10K run
Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!
  • Fri 26 - Sun 28 Sep
  • £65-£210
Keswick, Cumbria, UK

Altra 13 Valleys

Celebrating the unique valleys of the Lake District which are part of the UNESCO World Heritage Site status, by linking them together with spectacular trail and ultra routes for you to enjoy!

  • Trail run
  • Ultra run 3
A beautiful, end-of-season, looped challenge in some of the Chilterns' finest countryside, with historic trails, rolling hills, nature reserves and fantastic views with routes from 10km up to 50km.
  • Sat 27 Sep
  • £39-£139
Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge

A beautiful, end-of-season, looped challenge in some of the Chilterns' finest countryside, with historic trails, rolling hills, nature reserves and fantastic views with routes from 10km up to 50km.

  • 50K ultra run
  • Trail run
  • 10K run
Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.
  • Sat 27 - Sun 28 Sep
  • £35-£295
Edenbridge, Kent, UK

Hever Castle Triathlon and Multisport Festival

Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.

  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon 2
  • Super sprint triathlon
  • Novice triathlon
  • + 17 more races
An end-of-season ultra challenge in the Garden of England with a looped route around the Kent Downs starting on the North Downs Way with picturesque scenery and full support all the way.
  • Sat 11 Oct
  • £39-£139
Maidstone, Kent, UK

Kent Downs 50 Ultra Challenge

An end-of-season ultra challenge in the Garden of England with a looped route around the Kent Downs starting on the North Downs Way with picturesque scenery and full support all the way.

  • 50K ultra run
  • Trail run
  • 10K run
Want the excitement of being part of Lakes in a Day but with less navigation? This half distance option takes you on a journey from Ambleside to Cartmel on a fully waymarked route.
  • Sat 11 Oct
  • £75
Ambleside, Lake District National Park, UK

Lakes in a Day | 23 Miles

Want the excitement of being part of Lakes in a Day but with less navigation? This half distance option takes you on a journey from Ambleside to Cartmel on a fully waymarked route.

  • 23 miles trail running + 850 m ascent
Join hundreds of runners for an award-winning, off-road adventure through autumnal countryside. With woodland paths and canal-side tracks, it delivers challenge, beauty, and unbeatable vibes.
  • Sat 8 Nov
  • £29-£33
Leighton Buzzard, Bedfordshire, UK

Dirt Half Challenge

Join hundreds of runners for an award-winning, off-road adventure through autumnal countryside. With woodland paths and canal-side tracks, it delivers challenge, beauty, and unbeatable vibes.

  • 13.1 miles trail running + 478 ft ascent
The UK's top outdoor sports festival! Incredible entertainment, sports events, speakers, live music, activities, brand expo, bars, food, drink and much more.
  • Fri 15 - Sun 17 May 2026
  • £30
Keswick, Cumbria, UK

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
  • + 12 more races
Get active in the beautiful grounds and surrounding area of stunning South Galway in the discipline of your choice! Recruit your friends and celebrate your challenge in the festival village.
  • Sat 23 - Sun 24 May 2026
  • £28-£245
  • 20% off
Gort, Ireland

Lough Cutra Castle Triathlon and Multisport Festival

Get active in the beautiful grounds and surrounding area of stunning South Galway in the discipline of your choice! Recruit your friends and celebrate your challenge in the festival village.

20% off

  • Sprint triathlon 3
  • Super sprint triathlon
  • Novice triathlon
  • Olympic triathlon
  • Half Ironman
  • + 17 more races
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 2026
  • FREE-£85
Ambleside, Cumbria, UK

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
  • + 2 more races
The majestic château hosts this epic multi-sport weekend for athletes of all levels, complete with a range of disciplines, festival village, friendly spectators and top reviews all-round!
  • Sat 6 - Sun 7 Jun 2026
  • £15-£350
  • 20% off
Chantilly, France

Chateau de Chantilly Triathlon and Multisport Festival

The majestic château hosts this epic multi-sport weekend for athletes of all levels, complete with a range of disciplines, festival village, friendly spectators and top reviews all-round!

20% off

  • Ironman
  • Half Ironman
  • Olympic triathlon
  • Sprint triathlon 2
  • Super sprint triathlon
  • + 12 more races
The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
  • Sat 6 - Sun 7 Jun 2026
  • £80
Reading, Berkshire, UK

Endure24 | Reading

The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?

  • 24 hrs multi terrain running
The award-winning 10km-ish trail run is back for a fourth year and takes in quiet country lanes, off-road trails, moorland and rivers within Nidderdale AONB as part of the annual village Family Fete.
  • Sun 7 Jun 2026
  • £25
Ripon, North Yorkshire, UK

Crackpots Trail Run

The award-winning 10km-ish trail run is back for a fourth year and takes in quiet country lanes, off-road trails, moorland and rivers within Nidderdale AONB as part of the annual village Family Fete.

  • 11 km trail running + 193 m ascent
Run or hike the UK's most iconic ultramarathon and conquer 70 miles in 26 hours over a fully waymarked journey through Hadrian's Wall country. Ideal first ultra.
  • Sat 13 Jun 2026
  • £210-£220
Carlisle, Cumbria, UK

Rat Race | The Wall

Run or hike the UK's most iconic ultramarathon and conquer 70 miles in 26 hours over a fully waymarked journey through Hadrian's Wall country. Ideal first ultra.

  • 70 miles trail running + 3460 ft ascent
Take on a challenge fit for royalty in this epic ultramarathon along the South Downs Way and Monarch’s Way. Choose from two unique 50km loops – or tackle both in a non-stop 100km challenge!
  • Sat 20 Jun 2026
  • £55-£165
Chichester, West Sussex, UK

Race to the King

Take on a challenge fit for royalty in this epic ultramarathon along the South Downs Way and Monarch’s Way. Choose from two unique 50km loops – or tackle both in a non-stop 100km challenge!

  • 100K ultra run
  • 50K ultra run 2
  • Trail run
  • Ultra run
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
  • Sat 20 - Sun 21 Jun 2026
  • £28-£245
  • 20% off
Malpas, Cheshire, UK

Cholmondeley Castle Triathlon and Multisport Festival

Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.

20% off

  • Kids triathlon 5
  • Novice triathlon
  • Super sprint triathlon
  • Sprint triathlon 2
  • Olympic triathlon
  • + 14 more races
The north's favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
  • Sat 27 - Sun 28 Jun 2026
  • £80-£130
Wetherby, West Yorkshire, UK

Endure24 | Leeds

The north's favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?

  • 24 hrs multi terrain running + 102 m ascent
Conquer Britain's oldest trail, the ancient Ridgeway, as you race towards the 5000-year-old Avebury Standing Stones.
  • Sat 11 - Sun 12 Jul 2026
  • £85-£255
Watlington, Oxfordshire, UK

Race to the Stones

Conquer Britain's oldest trail, the ancient Ridgeway, as you race towards the 5000-year-old Avebury Standing Stones.

  • 50K ultra run 2
  • 100K ultra run 3
Welcome to the stunning Sherwood Pines for an incredible day of running in the forest - whether it's your first event, you're going for a PB or if you just want a day in the forest with friends!
  • Sun 12 Jul 2026
  • £19.95-£49.95
Mansfield, Nottinghamshire, UK

Rasselbock Marathon and Half Marathon

Welcome to the stunning Sherwood Pines for an incredible day of running in the forest - whether it's your first event, you're going for a PB or if you just want a day in the forest with friends!

  • Half marathon
  • Marathon
  • Trail run
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
  • Sat 18 - Sun 19 Jul 2026
  • £28-£245
  • 20% off
Grantham, Leicestershire, UK

Belvoir Castle Triathlon and Multisport Festival

A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.

20% off

  • Kids triathlon 4
  • Super sprint triathlon
  • Sprint triathlon 2
  • Olympic triathlon
  • Half Ironman
  • + 14 more races
  • Thu 30 Apr - Sun 3 May 2026
  • £200-£1,200
London, UK

Run2Paris

A team of 5. A half marathon every day for 4 days. You have just Run2Paris! This is your next great running adventure where you'll camp under the stars on a road trip like no other.

  • 4 days multi terrain running
  • Thu 10 - Sun 13 Sep 2026
  • £200-£1,200
London, UK

Run2Paris

A team of 5. A half marathon every day for 4 days. You have just Run2Paris! This is your next great running adventure where you'll camp under the stars on a road trip like no other.

  • 4 days multi terrain running
Race 101: the 13 Valleys Ultra
  • 10 mins read
Event guide

Race 101: the 13 Valleys Ultra

Introducing the 13 Valleys Ultra plus the event's shorter distance options, helping you to push your limits and get involved!

4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.