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Trail Half marathons in Wales in Spring
Find trail half marathons in Wales 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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- Sun 1 Mar
- £16-£35
Aberdare, Mid Glamorgan, UK
St Davids Day Dragon Run
Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
- Families
- Beginner-friendly
- Event village
- Park
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 12 Apr
- £33.50
Prestatyn, Clwyd, UK
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.
- Beginner-friendly
- Enter online
- Hilly
- Event village
- Rural
- Coast
- Mountains
- Age 17 & over
- 13.8 miles trail running + 2450 ft ascent
- Sun 26 Apr
- FREE-£35
Aberdare, Mid Glamorgan, UK
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!
- Families
- Beginner-friendly
- Event village
- Park
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 1 Mar
Pwllheli, Gwynedd, UK
St Davids Day Celebration North Wales Pilgrims Half Marathon | Half Marathon
- 21 km trail running
- Sat 14 Mar
Carmarthen, Dyfed, UK
Brechfa Trail Races: Half Marathon & Marathon | Half Marathon
- 13 miles trail running
- Sat 4 Apr
Aberdyfi, Gwynedd, UK
Aberdyfi Half Marathon | Half Marathon
- 21.1 km trail running + 850 m ascent
- Sat 11 Apr
Swansea, West Glamorgan, UK
RTT Gower Trail Half Marathon & 10K | Half Marathon
- 13.1 miles trail running
- Sat 25 Apr
Haverfordwest, Pembrokeshire, UK
EnduranceLife - Pembrokeshire | Half Marathon
- 13.4 miles trail running + 1578 ft ascent
- Sat 9 May
Cardiff, UK
Radyr Trail Races: Half Marathon and Marathon | Half Marathon
- 13.1 miles trail running