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Trail Marathons in Wales in Winter
Find trail marathons in Wales in Winter - 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 7 Dec
- £41.50
Prestatyn, Clwyd, UK
Sea 2 Summit | Offa's Dyke Full Marathon
The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!
- Chip timing
- Enter online
- Age 18 & over
- 26.2 miles trail running
- Sat 24 Jan 2026
- £33-£35
Aberdare, Mid Glamorgan, UK
Spice Up Your Run - Wales | Marathon
If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 2028 ft ascent
- Sat 13 Dec
Grecynon, Mid Glamorgan, UK
Celtic Trail Races | Marathon
- 26 miles trail running + 3050 ft ascent
- Sat 28 Feb 2026
Haverfordwest, Pembrokeshire, UK
Ras Dewi Sant | Full Marathon
- 26.2 miles trail running