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Marathons in Wales in December 2025
Find marathons near me in Wales in December 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sun 7 Dec
- £41.50
- 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