5
Ultra runs in Wales in December 2025
Find ultra runs in Wales in December 2025 - 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
- £51.50
Prestatyn, Clwyd, UK
Sea 2 Summit | Offa's Dyke Ultra 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
- 33 miles trail running
- Sun 21 Dec
- £16-£40
Aberdare, Mid Glamorgan, UK
A Christmas Carol Bobble Hat Run | Wales
Come and join in at the Christmas Carol Bobble Hat Run in the picturesque Dare Valley in Wales! At this event you can earn yourself a bobble hat as well as one of the incredible themed medals!
- Families
- Newcomers
- Event village
- Park
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 13 Dec
Grecynon, Mid Glamorgan, UK
Celtic Trail Races | Ultra
- 34 miles trail running + 5194 ft ascent