6
Road Half marathons in Wales in March 2026
Find road half marathons in Wales in March 2026 - 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 1 Mar 2026
Anglesey, Isle of Anglesey, UK
Jones o Gymru Anglesey Half Marathon
- 13.1 miles road running + 889 ft ascent
- Sun 15 Mar 2026
- £24-£38
Aberdare, Mid Glamorgan, UK
The Dashing Dog Charity Run - Wales | Half Marathon
Come and join for Dashing Dog Charity run in the beautiful Dare Valley Country Park in Wales, not only is the scenery beautiful and you will earn one of the awesome medals...
- Enter online
- Age 17 & over
- 13.1 miles road running + 135 ft ascent
- Sun 8 Mar 2026
Burry Port, Dyfed, UK
Great Welsh Marathon Events | Half Marathon
- 13.1 miles road running + 240 ft ascent
- Sun 22 Mar 2026
Merthyr Tydfil, Mid Glamorgan, UK
The Merthyr Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 29 Mar 2026
Llandudno, Clwyd, UK
Llandudno Half Marathon & 10 Mile | Half Marathon
- 13.1 miles road running