Trail Half marathons in UK
Find trail half marathons in UK in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Fri 3 Apr
- £33-£38
Easter Challenge
Run as far as you can during the 6-hour event at Suffolk Running Centre on a multi-terrain loop. Run, rest, then head out for more.
- 6 hrs multi terrain running
- Fri 3 Apr
- £23-£35
Eggcellent Easter Pink Run | Half Marathon
The Eggcellent Easter Pink Run is the second event in the five-day series where you can earn the fantastic easter egg medal in pink!
- 13.1 miles trail running
- Sat 4 Apr
- £26-£28
Spring Run | Hull | Half Marathon
Welcome to a 6-hour timed running event where you can run a half marathon at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- 13.1 miles trail running + 1038 ft ascent
- Sat 4 Apr
- £33-£35
London Marathon Long Training Run | Day 5
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.
- 7 hrs trail running
- Sat 4 Apr
- £23-£35
Eggcellent Easter Green Run | Half Marathon
The Eggcellent Easter Green Run is the third event in the five-day series where you can earn the fantastic easter egg medal in green!
- 13.1 miles trail running
- Sun 5 Apr
- £30-£32
Lets Motor along the Towpath | Rodley | Half Marathon
You'd be an April Fool to miss this one. Enjoy a trip up the flat and event towpath of the Leeds and Liverpool Canal from Rodley. One to warm the depths of your heart.
- 13.1 miles trail running + 105 ft ascent
- Sun 5 Apr
- £23-£35
Eggcellent Easter Purple Run | Half Marathon
The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!
- 13.1 miles trail running
- Mon 6 Apr
- £23-£35
Eggcellent Easter Blue Run | Half Marathon
The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!
- 13.1 miles trail running
- Sat 11 Apr
- £15-£35
Love it or Hate it Run
Whether you are in the love it or hate it camp, I think we can all agree that the medal is super cute and definitely one which you need to add to your collection!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 12 Apr
- £27-£38
Haughley Festival of Running
Join in at the beautiful Haughley Park for the Haughley Festival of Running and join like-minded runners tackling a variety of distances on the day within the 4 or 6-hour time limit.
- 5K run
- 10K run
- Half marathon 2
- Marathon
- Ultra run
- + 1 more race
- Sun 12 Apr
- £17-£34
The Dashing Dog Charity Run | North
Come and join the Dashing Dog Charity run along the picturesque River Wear. Not only is the scenery beautiful but you will earn one of these awesome medals!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 12 Apr
- £33.50
Summit 2 Sea - The Offa's Dyke Half Marathon
Gather on the summit of Moel y Parc at over 1300ft and follow the Offa's Dyke National Trail to the coast to finish line on the beach at Prestatyn.
- 13.8 miles trail running + 2450 ft ascent
- Fri 17 Apr
- £15-£27
Midweek Medal Madness Run April | Half 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.
- 13.1 miles trail running
- Sat 18 Apr
- £15-£35
The London Run
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 18 Apr
- £32-£34
Spring Run | Half 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.
- 13.1 miles trail running
- Sat 18 Apr
- FREE-£36
Spring Trail Series | 12K
Join over 1,200 runners and walkers to the Serpent Trail, a stunning route that weaves through the greensand hills, rivers, woodland, and lowland heath of the South Downs National Park.
- 12 km trail running + 130 m ascent
- Sun 19 Apr
- £27-£38
The Roman Ramble
A relaxed, lap-based trail run through picturesque countryside, giving you complete control over your distance — perfect for beginners, returning runners or those chasing longer goals.
- 5K run
- 10K run
- Trail run
- Half marathon 2
- Marathon
- + 1 more race
- Sun 19 Apr
- £32-£34
Tempting at Tempsey | Half Marathon
If you've never visited or run around the grounds of Temple Newsam then you're in for a treat with this half marathon. Temple Newsam is a jewel in the crown for Leeds.
- 13.1 miles trail running
- Sun 26 Apr
- £15-£35
The Nearly But Not Quite London Marathon | Wales
Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this event instead and earn a fantastic London-themed medal!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 26 Apr
- £37.50-£39.50
London Calling
Missed out on the London Marathon Ballot? No probem! 'London Calling' is the special 'Not London' event!
- 7 hrs multi terrain running + 33 ft ascent
- Sun 26 Apr
- £38
Tissington Trail Marathon & Half Marathon | Half Marathon
Come and join this slice of racing joy through the picturesque Derbyshire countryside. With a slightly downhill second half - you've got gravity on your side and a truly beautiful route.
- 13.1 miles trail running + 1053 ft ascent
- Fri 1 May
- £15-£27
Midweek Chasing Numbers May | Half 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.
- 13.1 miles trail running
- Mon 4 May
- £15-£27
Bank Holiday Madness May | Half Marathon
Come and join the day of running and aim to complete a midweek half marathon within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!
- 13.1 miles trail running
- Sat 9 May
- £43-£45
Magna Carta Summer | Half Marathon
The Magna Carta Half 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.
- 13.1 miles trail running + 70 ft ascent
- 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