Trail Half marathons in UK in Spring
Find trail half marathons in UK in Spring - 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.
- Sun 10 May
- £30
Something Wild Festival | Half Marathon
A stunning but tough half marathon trail race taking in the South West Coast Path for runners (and walkers) of all abilities with chip timing and medals for all, plus an uplifting festival weekend!
- 13.1 miles trail running + 2001 ft ascent
- Sat 16 May
- £26-£28
Lincolnshire Run | 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 + 132 ft ascent
- Sat 16 May
- £70
Keswick Mountain Festival | adidas TERREX Half Marathon Trail Run
This 25km is graded ‘hard’ and is on technical, fast flowing and rugged trails around Derwentwater, the Borrowdale Valley and the Watendlath Valley. Includes Full Weekend Festival Ticket in the price!
- 25 km trail running + 750 m ascent
- Sat 16 May
- £28
Roadford Lake Trail Races | Half Marathon
By popular demand, a half marathon trail race has been added to the multi-sports weekend at the scenic Roadford Lake, with an inclusive and encouraging atmosphere, and lakeside camping.
- 13.1 miles trail running + 1298 ft ascent
- Thu 21 May
- £17-£29
Dun Holm Challenge | Day 1 | Half Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped half marathon is for you! Durham-themed medals too.
- 13.1 miles trail running
- Fri 22 May
- £17-£29
Dun Holm Challenge - Day 2 | Half Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped half marathon is for you! Durham-themed medals too.
- 13.1 miles trail running
- Sat 23 May
- £33-£38
Farmmageddon | Half Marathon
Can you survive Farmmageddon? A fantastic half marathon through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
- 13.1 miles trail running + 656 ft ascent
- Sat 23 May
- £17-£29
Dun Holm Challenge | Day 3 | Half Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped half marathon is for you! Durham-themed medals too.
- 13.1 miles trail running
- Sun 24 May
- £17-£29
Dun Holm Challenge | Day 4 | Half Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped half marathon is for you! Durham-themed medals too.
- 13.1 miles trail running
- Sun 24 May
- £30-£32
Get the Hull out of Here | Half Marathon
Based out of East Hull this half marathon will run out on the TransPennine Trail towards Hornsea, it should allow runners to enjoy a flat even surface ideal or both beginners or for seasoned athletes.
- 13.1 miles trail running
- Mon 25 May
- £17-£29
Dun Holm Challenge | Day 5 | Half Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped half marathon is for you! Durham-themed medals too.
- 13.1 miles trail running
- Sun 31 May
- £30-£32
Rothwell Cakeathon | Half Marathon
Run. Refuel. Repeat. Take on the Rothwell Cakeathon and earn every slice in this friendly, traffic-free, flat, runnable course with a welcoming, no-pressure atmosphere.
- 13.1 miles trail running
- Sun 31 May
- £55
Blair Castle Trail Weekender | Atholl Trail Half Marathon 21.1K
New! A weekend of inclusive trail races, camping, festival vibes, yoga workshops, guided runs, live music and outdoor cinema, all based in the grounds of the iconic Blair Castle in the Cairngorms.
- 21.1 km trail running + 400 m ascent
- Sun 1 Mar
- £25-£27
High Lodge Half Marathon - Spring
- 13.1 miles multi terrain running
- Sun 1 Mar
- £30
Pitsford Water Trail Races | Half Marathon
- 13.1 miles trail running + 607 ft ascent
- Sun 1 Mar
- £42
El Diablo Trail Half Marathon & 10K | Half Marathon
- 13.1 miles trail running + 2096 ft ascent
- Sun 1 Mar
- £42
St Davids Day Celebration North Wales Pilgrims Half Marathon | Half Marathon
- 21 km trail running
- Sat 7 Mar
- £47
EnduranceLife - Sussex | Half Marathon
- 13.1 miles trail running + 2185 ft ascent
- Sun 8 Mar
- £44
Leith Hill Half Marathon
- 13.1 miles trail running + 1778 ft ascent
- Sat 14 Mar
- £30-£32.50
Welcome Way | 13 Mile
- 13 miles trail running + 2200 ft ascent
- Sat 14 Mar
- £40
Brechfa Trail Races: Half Marathon & Marathon | Half Marathon
- 13 miles trail running
- Sun 15 Mar
- £22-£25
Cambridge Boundary Run | Half Marathon
- 13.1 miles trail running
- Sun 15 Mar
- £35
The Richmond Spring Riverside 10K and Half Marathon Run | Half Marathon
- 13.1 miles trail running
- Sun 15 Mar
- £40
Ramsbury Half & 10K | Half Marathon
- 13.1 miles multi terrain running + 960 ft ascent