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.
- Sun 13 Dec
- £28-£30
Crikey its the Christmas Cracker | Day 2 | Half Marathon
An out and back course to really get you in the Christmas spirit with activities at Race HQ bound start a jolly atmosphere, whether you want a PB or to challenge yourself over this distance.
- 13.1 miles trail running + 144 ft ascent
- Sun 13 Dec
- £22-£34
The Snow Globe Gallop Bobble Hat Run | North | Half Marathon
Come and join in the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in plus you will get a bobble hat for all your effort!
- 13.1 miles trail running
- Sun 20 Dec
- £35
The Pied Piper Christmas Run | Half Marathon
Come and have a fun day out to celebrate Christmas with runs, medals, cake and pies to all finishers! Run a multi-lapped, scenic half marathon route crossing the famous Ironbridge.
- 16 miles trail running
- Sun 20 Dec
- £27-£40
The Snow Globe Gallop Bobble Hat Run - Wales | Half Marathon
Come and join in for the Christmas Carol Bobble Hat Run in the picturesque Dare Valley in Wales! At this event you can earn yourself a running buff as well as one of the incredible themed medals!!
- 13.1 miles trail running
- Sat 26 Dec
- £33-£35
Boxing Day Challenge | Half Marathon
Come and join the day of running and aim to complete a half marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
- 13.1 miles trail running
- Sat 18 Apr
- £30
Shropshire Way 80K Festival | Half-Mammothon
- 21 km trail running + 650 m ascent
- Sat 18 Apr
- £28-£30
Thoresby Park Longhorn Trail Event | Half Marathon Trail Run
- 13.1 miles trail running
- Sun 19 Apr
- From £40
Eridge Park - Trail Half Marathon & 10K | Half Marathon
- 13.1 miles trail running
- Sun 19 Apr
- £40
Dell 10K & Half Marathon | Half Marathon
- 13.1 miles trail running
- Sat 25 Apr
- £35
Malvern Hills Trail Half Marathon
- 13 miles trail running + 800 m ascent
- Sat 25 Apr
- £47
EnduranceLife - Pembrokeshire | Half Marathon
- 13.4 miles trail running + 1578 ft ascent
- Sun 26 Apr
- £31
Clun Valley Trail Half Marathon
- 13.1 miles trail running + 2000 ft ascent
- Sat 2 May
- £10-£39
Lakeland Trails in Staveley
- 5K run
- 10K run
- Half marathon 2
- Trail run 2
- Sun 3 May
- £37
Tempo Trail Races | Half Marathon
- 13.1 miles trail running + 884 ft ascent
- Sat 9 May
- £38.50
Sid Valley Ring Half and Third Marathon | Half Marathon
- 21.1 km trail running + 596 m ascent
- Sat 9 May
- £40
Radyr Trail Races: Half Marathon and Marathon | Half Marathon
- 13.1 miles trail running
- Sat 9 May
- £47
Endurancelife | Exmoor | Half Marathon
- 13.5 miles trail running + 2822 ft ascent
- Sun 10 May
- £20-£22
The Greenway Challenge
- 13 miles trail running
- Sun 10 May
- £23-£25
Happy Valley Trails Event | Half Marathon
- 13.1 miles trail running + 770 m ascent
- Sun 10 May
- £26-£28
Margam Wild Trail Runs | Half Marathon
- 13.1 miles trail running