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Trail Marathons in UK

Find trail marathons in UK in 2025/2026 - 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.

Come and join in Winter 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!
  • Sat 24 Jan 2026
  • £23-£35
Staines, Surrey, UK

The Winter Lucky Dip Run | Marathon

Come and join in Winter 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!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you! Come and celebrate all things Spice Girls!
  • Sat 24 Jan 2026
  • £33-£35
Aberdare, Mid Glamorgan, UK

Spice Up Your Run | Wales | Marathon

If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you! Come and celebrate all things Spice Girls!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 2028 ft ascent
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.
  • Fri 6 Feb 2026
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Feb | Marathon

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.

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!
  • Sat 7 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Highland Hotfoot | Marathon

Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
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 7 Feb 2026
  • £26-£28
Lincoln, Lincolnshire, UK

Lincoln Culture Run I | Marathon

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.

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 264 ft ascent
Back to Ferry Meadows Country Park for another 4 or 6-hour running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
  • Sun 8 Feb 2026
  • £32-£38
Peterborough, Cambridgeshire, UK

Run for Cake

Back to Ferry Meadows Country Park for another 4 or 6-hour running challenge! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.

  • Newcomers
  • Event village
  • Park
  • Age 18 & over
  • Multi-terrain run 2
An undulating 6.5 mile loop with a mixture of canal tow path, river bank, trail and a road – a little bit of everything with beautiful sections of the Leeds Liverpool canal and River Aire.
  • Sun 8 Feb 2026
  • £40-£42
Leeds, West Yorkshire, UK

Grim Leodis | Marathon

An undulating 6.5 mile loop with a mixture of canal tow path, river bank, trail and a road – a little bit of everything with beautiful sections of the Leeds Liverpool canal and River Aire.

  • Chip timing
  • Enter online
  • Hilly
  • Age 18 & over
  • 26.2 miles trail running + 996 ft ascent
Taking place from the iconic Weymouth and Portland National Sailing Academy, all abilities can take part in this festival of running in what is possibly the most stunning of coastal trail locations.
  • Sun 8 Feb 2026
  • £42-£44
Portland, Dorset, UK

Portland Coastal Marathon

Taking place from the iconic Weymouth and Portland National Sailing Academy, all abilities can take part in this festival of running in what is possibly the most stunning of coastal trail locations.

  • Chip timing
  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles trail running + 2356 ft ascent
Enjoy a trip up the Leeds and Liverpool Canal this Valentines. Perfect for runners of all abilities, from novices to Ultra PB chasers, this is one to warm the depths of your heart.
  • Sat 14 Feb 2026
  • £15-£56
Bingley, West Yorkshire, UK

Besotted at Bingley

Enjoy a trip up the Leeds and Liverpool Canal this Valentines. Perfect for runners of all abilities, from novices to Ultra PB chasers, this is one to warm the depths of your heart.

  • Newcomers
  • Event village
  • Age 16 & over
  • 10K run
  • Trail run
  • 5K run
  • Half marathon
  • Marathon
  • + 2 more races
Come and join in The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy racoon on! What more could you ask for??
  • Sat 14 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Racoon Rocket Run | Marathon

Come and join in The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy racoon on! What more could you ask for??

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Come and join the day of running and aim to complete a marathon at your own pace on a scenic course then receive a fantastic Smurf-themed medal and goody bag at the finish!
  • Sun 15 Feb 2026
  • £17-£27
Durham, County Durham, UK

Smurf Run | North | Marathon

Come and join the day of running and aim to complete a marathon at your own pace on a scenic course then receive a fantastic Smurf-themed medal and goody bag at the finish!

  • Enter online
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running
The Magna Carta Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
  • Sat 21 Feb 2026
  • £53-£55
Egham, Surrey, UK

Magna Carta Winter | Marathon

The Magna Carta Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17-80
  • 26.2 miles trail running + 150 ft ascent
Due to the success of the Rebellious Rubber Ducky Run in 2025 Saturn Running is holding it's second event inspired by the adorable bath toys!
  • Sat 21 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Rubber Ducky Dash | Marathon

Due to the success of the Rebellious Rubber Ducky Run in 2025 Saturn Running is holding it's second event inspired by the adorable bath toys!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
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 21 Feb 2026
  • £32-£34
Northampton, Northamptonshire, UK

Any Kind of Weather Runner | Marathon

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.

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over marathon distance with fantastic support each lap and a medal at the finish!
  • Sun 22 Feb 2026
  • £33-£38
Brandon, Suffolk, UK

Thetford Festival of Running | Full Marathon

New venue! Come and enjoy the paths, trails and woodland of Thetford Forest over marathon distance with fantastic support each lap and a medal at the finish!

  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles trail running
Come and join in for The Doughnut Dash! At this event you can earn yourself a super fun medal along with some doughnuts at the finish line to celebrate your achievement!!
  • Sun 22 Feb 2026
  • £22-£34
Northampton, Northamptonshire, UK

The Doughnut Dash - Northampton | Marathon

Come and join in for The Doughnut Dash! At this event you can earn yourself a super fun medal along with some doughnuts at the finish line to celebrate your achievement!!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 33 ft ascent
Take on lapped course through the stunning South Yorkshire Park country park of Rabbit Ings and reach the finish to hang your finisher's medal around your neck with pride.
  • Sat 28 Feb 2026
  • £40-£42
Barnsley, South Yorkshire, UK

Carry on in the Colliery | Marathon

Take on lapped course through the stunning South Yorkshire Park country park of Rabbit Ings and reach the finish to hang your finisher's medal around your neck with pride.

  • Chip timing
  • Enter online
  • Hilly
  • Age 18 & over
  • 26.2 miles trail running + 1359 ft ascent
There's another animal inspired event for you, the featured animal this time is a giraffe! The medal, as always, is incredible and definitely one to add to your animal collection!
  • Sat 28 Feb 2026
  • £23-£35
Staines, Surrey, UK

The Giraffe Gallop | Marathon

There's another animal inspired event for you, the featured animal this time is a giraffe! The medal, as always, is incredible and definitely one to add to your animal collection!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
  • Sun 1 Mar 2026
  • £22-£35
Aberdare, Mid Glamorgan, UK

St Davids Day Dragon Run | Marathon

Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
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.
  • Fri 6 Mar 2026
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Mar | Marathon

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.

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!
  • Sat 7 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Panda Plod | Marathon

There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.
  • Sun 8 Mar 2026
  • £37.50-£39.50
Lymington, Hampshire, UK

Wight Riot

Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.

  • Newcomers
  • Enter online
  • Traffic free
  • Event village
  • Coast
  • Age 18 & over
  • 7 hrs multi terrain running + 47 ft ascent
Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great runner support.
  • Sun 8 Mar 2026
  • £53-£55
London, UK

Thames Meander Spring | Marathon

Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great runner support.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 600 ft ascent
Fast, flat, PB-grabbing event on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. All levels of runner welcome.
  • Sat 14 Mar 2026
  • £40-£42
Leeds, West Yorkshire, UK

Spring Time Canal Canter | Marathon

Fast, flat, PB-grabbing event on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. All levels of runner welcome.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 299 ft ascent
Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?
  • Sat 14 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Sloth Scamper | Marathon

Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent

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