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Trail Half marathons in UK

Find trail half 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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Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
  • Sat 27 Jun 2026
  • £27-£38
Buntingford, Hertfordshire, UK

Cock-a-doodle Dawdle

Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.

  • Newcomers
  • Dogs allowed at venue
  • Event village
  • Rural
  • Age 14 & over
  • 5K run
  • 10K run
  • Trail run
  • Half marathon 2
  • Marathon
  • + 1 more race
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
  • £95-£105
  • 2 charities
  • Team & charity places only
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?

Team & charity places only

  • Recycling
  • Dogs allowed at venue
  • Entertainment
  • Music
  • Ballot
  • Chip timing
  • Enter online
  • Undulating
  • Event village
  • Event expo
  • Park
  • Free venue entry
  • Sustainability policy
  • Relay
  • Age 18 & over
  • 24 hrs multi terrain running
Come and join the fun in a 4 or 6-hour running challenge at Ferry Meadows! Run as much as you want through the forest on a multi-terrain loop. Run, rest, then head out for some more.
  • Sun 5 Jul 2026
  • £33-£38
Peterborough, Cambridgeshire, UK

Summer Ready Run

Come and join the fun in a 4 or 6-hour running challenge at Ferry Meadows! 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
Join the early summer racing joy and race between the trees at Cannock Chase Forest! It's time to treat yourself!
  • Sun 5 Jul 2026
  • £32
Rugeley, Staffordshire, UK

Cannock Chase Forest Half Marathon

Join the early summer racing joy and race between the trees at Cannock Chase Forest! It's time to treat yourself!

  • Enter online
  • Hilly
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 1385 ft ascent
Starting and finishing in the village of Slaithwaite, pronounced 'Slawit' to the locals, this is perhaps the most undulating canal by a long chalk. Bespoke medal, drinks and goodies for all.
  • Sat 11 Jul 2026
  • £30-£32
Huddersfield, West Yorkshire, UK

Sithee at Slawit Again | Half Marathon

Starting and finishing in the village of Slaithwaite, pronounced 'Slawit' to the locals, this is perhaps the most undulating canal by a long chalk. Bespoke medal, drinks and goodies for all.

  • Chip timing
  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles trail running + 417 ft ascent
  • Sun 12 Jul 2026
Caernarfon, Gwynedd, UK

Snowdonia Trail Half Marathon Eryri

  • 12.9 miles trail running + 3959 ft ascent
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
  • £41.95
Mansfield, Nottinghamshire, UK

Rasselbock 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!

  • Chip timing
  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles trail running + 695 ft ascent
Runs with unparalleled scenery making them some of the most picturesque events in the area, on a private estate. 5K, 10K, half marathon or a totally unique running challenge 'Challenge The Estate'.
  • Sun 19 Jul 2026
  • £15-£60
Boston, Lincolnshire, UK

Revesby Running Festival

Runs with unparalleled scenery making them some of the most picturesque events in the area, on a private estate. 5K, 10K, half marathon or a totally unique running challenge 'Challenge The Estate'.

  • Families
  • Newcomers
  • Event village
  • Park
  • Rural
  • Age 12 & over
  • 5K run
  • 10K run
  • Half marathon
  • Multi-terrain run
A jewel in the castle crown! Get active in the beautiful castle grounds in a half marathon run then celebrate with fellow athletes, friends and family in the fantastic festival village afterwards.
  • Sun 19 Jul 2026
  • £36-£45
Grantham, Leicestershire, UK

Belvoir Castle | Half Marathon

A jewel in the castle crown! Get active in the beautiful castle grounds in a half marathon run then celebrate with fellow athletes, friends and family in the fantastic festival village afterwards.

  • Chip timing
  • Enter online
  • Age 17 & over
  • 21.1 km trail running
10 running events in 10 days in the beautiful Suffolk countryside. Run 5K, 10K, Half Marathon, Marathon or an Ultra every day for 10 days in this unique endurance challenge!
  • Thu 23 Jul - Sat 1 Aug 2026
  • £300-£350
Bury Saint Edmunds, Suffolk, UK

Great Barrow Challenge | 10 events in 10 days

10 running events in 10 days in the beautiful Suffolk countryside. Run 5K, 10K, Half Marathon, Marathon or an Ultra every day for 10 days in this unique endurance challenge!

  • Enter online
  • Undulating
  • Rural
  • Age 18 & over
  • 10 days trail running
Enjoy a trip up the Leeds and Liverpool Canal this summer over a range of distances, all along the flat and even towpath. This event is perfect for runners of all abilities.
  • Sat 15 Aug 2026
  • £28-£30
Shipley, West Yorkshire, UK

Sir Titus Summer Trot | Half Marathon

Enjoy a trip up the Leeds and Liverpool Canal this summer over a range of distances, all along the flat and even towpath. This event is perfect for runners of all abilities.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 13.1 miles trail running + 253 ft ascent
Whether you're looking to get some miles under your belt before The Great North Run or you just fancy a run along the beautiful River Wear, then this is the event for you!
  • Sun 30 Aug 2026
  • £17-£29
Durham, County Durham, UK

GNR & Time Turner | Half Marathon

Whether you're looking to get some miles under your belt before The Great North Run or you just fancy a run along the beautiful River Wear, then this is the event for you!

  • Enter online
  • Age 17 & over
  • 13.1 miles trail running
We all love to be beside the seaside, so why not enjoy a trail half marathon from the coast at Hornsea? You can grab yourself fish and chips and an ice cream from the front after the race.
  • Sat 5 Sep 2026
  • £30-£32
Hornsea, East Yorkshire, UK

Hip Hip Hooray it's Hornsea | Half Marathon

We all love to be beside the seaside, so why not enjoy a trail half marathon from the coast at Hornsea? You can grab yourself fish and chips and an ice cream from the front after the race.

  • Chip timing
  • Enter online
  • Flat
  • Age 17 & over
  • 13.1 miles trail running + 161 ft ascent
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course at the same venue was previously rated one of the top UK marathons.
  • Sat 12 Sep 2026
  • £43-£45
Wadhurst, East Sussex, UK

Bewl Water Autumn | Half Marathon

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course at the same venue was previously rated one of the top UK marathons.

  • Chip timing
  • Enter online
  • Undulating
  • Age 17-80
  • 13.1 miles trail running + 710 ft ascent
This event takes in some of Cheshire's finest country, and certainly its highest! Summit Tegg's nose, Shuttlingsloe and Shining Tor with views, diverse terrain and finisher medal.
  • Sun 13 Sep 2026
  • £38.50
Macclesfield, Cheshire, UK

Cheshire 3 Peaks Half Marathon

This event takes in some of Cheshire's finest country, and certainly its highest! Summit Tegg's nose, Shuttlingsloe and Shining Tor with views, diverse terrain and finisher medal.

  • Newcomers
  • Enter online
  • Hilly
  • Event village
  • Park
  • Age 18 & over
  • 13.1 miles trail running + 847 m ascent
Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!
  • Sat 19 Sep 2026
  • £29-£36
Bury Saint Edmunds, Suffolk, UK

The Lucky Horseshoe | Half Marathon

Your race, your pace, your distance! Utilising the Gallops route at the amazing Suffolk Running Centre which takes you through to Newmarket so you may get to see the race horses in training!

  • Chip timing
  • Enter online
  • Undulating
  • Traffic free
  • Age 18 & over
  • 13.1 miles trail running
Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. A half marathon to warm the depths of your heart along the flat, even towpath - this event is perfect for all abilities.
  • Sat 19 Sep 2026
  • £30-£32
Leeds, West Yorkshire, UK

Oktoberfest | Half Marathon

Get your Oompah vibe on and enjoy a trip up the Leeds and Liverpool Canal. A half marathon to warm the depths of your heart along the flat, even towpath - this event is perfect for all abilities.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 17 & over
  • 13.1 miles trail running + 105 ft ascent
Set in the heart of the beautiful New Forest, with a Grade I listed 'calendar' manor house as the backdrop, this is a technical trail loop suitable for all abilities.
  • Sun 20 Sep 2026
  • £37.50-£39.50
Christchurch, Hampshire, UK

Something to Talk About

Set in the heart of the beautiful New Forest, with a Grade I listed 'calendar' manor house as the backdrop, this is a technical trail loop suitable for all abilities.

  • Families
  • Newcomers
  • Enter online
  • Undulating
  • Traffic free
  • Event village
  • Age 18 & over
  • 7 hrs trail running + 404 ft ascent
Enjoy the stunning route, push your limits, and, of course, earn your race bling over the distance of your choice. Runners will love the fuel and encouragement with every lap!
  • Sun 27 Sep 2026
  • £27-£38
Dereham, Norfolk, UK

The Wensum Way Trail

Enjoy the stunning route, push your limits, and, of course, earn your race bling over the distance of your choice. Runners will love the fuel and encouragement with every lap!

  • Newcomers
  • Event village
  • Park
  • Rural
  • Sustainability policy
  • Age 14 & over
  • 5K run
  • 10K run
  • Trail run
  • Half marathon 2
  • Marathon
  • + 1 more race
The toughest trail run in the South East is back by popular demand. Likened to fell running, the 21K route includes steep, rocky ascent on lesser-known trails through the luscious Hurtwood Forest.
  • Sat 10 Oct 2026
  • £28
Guildford, Surrey, UK

The Hurt | 21km

The toughest trail run in the South East is back by popular demand. Likened to fell running, the 21K route includes steep, rocky ascent on lesser-known trails through the luscious Hurtwood Forest.

  • Chip timing
  • Enter online
  • Hilly
  • Age 17 & over
  • 21 km trail running + 1551 ft ascent
A trail running extravaganza over a beautiful 6.5-mile route from Knaresborough centre through parkland then into beautiful countryside with an awesome medal at the finish line.
  • Sun 18 Oct 2026
  • £28-£30
Knaresborough, North Yorkshire, UK

Old Mother Shipton's Soft Shoe Shuffle | Half Marathon

A trail running extravaganza over a beautiful 6.5-mile route from Knaresborough centre through parkland then into beautiful countryside with an awesome medal at the finish line.

  • Chip timing
  • Enter online
  • Undulating
  • Age 17 & over
  • 13.1 miles trail running + 708 ft ascent
Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!
  • Sat 24 Oct 2026
  • £36
Bakewell, Derbyshire, UK

Monsal Trail October Half Marathon | Saturday

Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!

  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 1972 ft ascent
This Halloween, run as far as you can during the 4 or 6-hour event through Ferry Meadows, one of the largest country parks in the region, on a multi-terrain loop. Run, rest, then head out for more.
  • Sun 25 Oct 2026
  • £33-£38
Peterborough, Cambridgeshire, UK

Pumpkin Plod

This Halloween, run as far as you can during the 4 or 6-hour event through Ferry Meadows, one of the largest country parks in the region, on a multi-terrain loop. Run, rest, then head out for more.

  • Newcomers
  • Dogs allowed at venue
  • Event village
  • Park
  • Age 18 & over
  • Multi-terrain run 2
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 25 Oct 2026
  • £37.50-£39.50
Lymington, Hampshire, UK

Wight Lines

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
  • Flat
  • Event village
  • Coast
  • Public transport links
  • Age 18 & over
  • 7 hrs trail running + 47 ft ascent
Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!
  • Sun 25 Oct 2026
  • £36
Bakewell, Derbyshire, UK

Monsal Trail October Half Marathon | Sunday

Take to one of the most iconic trails in the Peak District for stunning and traffic-free racing joy on a former Midland railway line taking you through four tunnels and across the spectacular viaduct!

  • Enter online
  • Flat
  • Traffic free
  • Age 17 & over
  • 13.1 miles trail running + 1972 ft ascent

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