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Half marathons in Wales
Find half marathons in Wales in 2026/2027 - 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 10 May
- £40-£42
Llanrwst, Clwyd, UK
Snowdonia Half Marathon
- 13.1 miles road running + 1919 ft ascent
- Sat 6 Jun
- £45
Brecon, Powys, UK
Midnight Mountain Marathon | Half Marathon
- 13.1 miles road running + 1425 ft ascent
- Sun 13 Sep
- £35
Beaumaris, Isle of Anglesey, UK
Beaumaris Run Fest Weekend | Half Marathon
- 13.1 miles road running
- Sun 4 Oct
- £40-£42
Bangor, Gwynedd, UK
Bangor City 10K & Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 15 Nov
- £42-£44
Conwy, Clwyd, UK
Conwy Half Marathon | Half Marathon
- 13.1 miles road running + 1247 ft ascent
- Sun 20 Dec
- £27-£40
Aberdare, Mid Glamorgan, UK
The Snow Globe Gallop Bobble Hat Run - Wales | Half Marathon
- 13.1 miles trail running