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Marathons in Wales
Find marathons near me in Wales for 2025/2026 - 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.
- Sat 19 Jul
- £139
- Sat 19 Jul
- £139
Swansea, West Glamorgan, UK
Gower Peninsula Ultra Challenge | Marathon 42K Loop
A classic distance from Penrice Castle on a loop featuring Oxwich Bay and its nature reserve, the stunning Wales Coast Path, picnic at Rhossili, the Gower Way then a celebration and medal!
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 42 km multi terrain running + 900 m ascent
- 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
- Sun 12 Oct
Newport, Rhode Island, USA
Amica Newport Marathon
- 26.2 miles road running + 866 ft ascent