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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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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 1 Nov 2026
- £33
Tring, Buckinghamshire, UK
Wendover Woods Half Marathon
An autumnal trail treat to delight the senses and lift your spirit as you clock the miles and enjoy the majestic beauty of Wendover Forest. See you there!
- Enter online
- Undulating
- Age 17 & over
- 13.1 miles trail running + 1483 ft ascent
- Sun 6 Dec 2026
- £17-£29
Durham, County Durham, UK
The Snow Globe Gallop - North | Half Marathon
Come and join in for the Snow Globe Gallop, get a few miles under your belt before the Christmas festivities really kick in!
- Enter online
- Age 17 & over
- 13.1 miles trail running
- Sat 29 Nov
Newcastle, County Down, UK
Newcastle Way Marathon & Half Marathon | Half Marathon
- 13.1 miles trail running
- Sat 29 Nov
Caerphilly, Gwent, UK
Machen Trail Races: Half Marathon and Marathon | Half Marathon
- 14 miles trail running + 2719 ft ascent
- Sun 30 Nov
Reading, Berkshire, UK
Mapledurham 10 & Half | Half Marathon
- 13.1 miles trail running + 319 m ascent
- Sat 6 Dec
Crickhowell, Powys, UK
Secret Santa Figgy Pud 14K, Turkey Ten Mile & Half Marathon Du Mulled Wine | Half Marathon Du Mulled Wine
- 13.82 miles trail running + 4013 ft ascent
- Sat 6 Dec
Swanage, Dorset, UK
EnduranceLife - Dorset | Half Marathon
- 13.1 miles trail running + 1719 ft ascent
- Sun 7 Dec
Christchurch, Hampshire, UK
New Forest Xmas Trails | 30K
- 30 km trail running + 883 ft ascent
- Sat 13 Dec
Neath, West Glamorgan, UK
Celtic Trail Races | Half Marathon
- 13 miles trail running + 2200 ft ascent
- Sun 14 Dec
Richmond, UK
Richmond Park December 5K, 10K and Half Marathon | Half Marathon
- 13.1 miles multi terrain running
- Sun 14 Dec
Sale, Greater Manchester, UK
BigXmas | Half Marathon
- 13.1 miles trail running + 243 ft ascent
- Sun 28 Dec
Walton-on-Thames, Surrey, UK
Year End Marathon & Half Marathon | Half Marathon
- 13.1 miles trail running
- Sat 3 Jan 2026
Budleigh Salterton, Devon, UK
Walter Raleigh Round Half and Third Marathon | Half Marathon
- 13.6 miles trail running + 390 m ascent
- Sat 10 Jan 2026
Wadebridge, Cornwall, UK
EnduranceLife - North Cornwall | Half Marathon
- 13.6 miles trail running + 2654 ft ascent
- Sat 10 Jan 2026
Hamster, County Durham, UK
Hamsterley Forest Winter Trail Races - Half Marathon and 10K | Half Marathon
- 13.1 miles trail running
- Sun 11 Jan 2026
Northwich, Cheshire, UK
Montane Delamere Trail 10 & 13 | Half Marathon
- 13.1 miles trail running + 973 ft ascent