7
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
- £46.99-£49.99
Anglesey, Isle of Anglesey, UK
Jones o Gymru Anglesey Half Marathon
The most beautiful half marathon in North Wales! Flanked by breathtaking views of Eryri (Snowdonia), the beauty and uniqueness of this event is what draws people from all over the UK!
- Chip timing
- Enter online
- Undulating
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 224 m ascent
- Sun 15 Mar
- £24-£38
Aberdare, Mid Glamorgan, UK
The Dashing Dog Charity Run | Wales | Half Marathon
Come and join the Dashing Dog Charity run in the picturesque Dare Valley Country Park. Not only is the scenery beautiful but you will earn one of these awesome medals for your half marathon!
- Enter online
- Flat
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sun 8 Mar
Burry Port, Dyfed, UK
Great Welsh Marathon Events | Half Marathon
- 13.1 miles road running + 240 ft ascent
- Sun 22 Mar
Merthyr Tydfil, Mid Glamorgan, UK
The Merthyr Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 29 Mar
Llandudno, Clwyd, UK
Llandudno Half Marathon & 10 Mile | Half Marathon
- 13.1 miles road running