10
Half marathons in North Wales
Find half marathons in North Wales in 2025/2026 - 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 7 Dec
- £31.50
Prestatyn, Clwyd, UK
Sea 2 Summit | Offa's Dyke Half 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 17 & over
- 13.1 miles trail running
- Sun 1 Mar 2026
- £44.99-£49.99
Anglesey, Isle of Anglesey, UK
Jones o Gymru Anglesey Half Marathon
The 'UK's most beautiful Half Marathon'! Fast run flanked by breathtaking views of Snowdonia National Park and the Menai Straits. It's no wonder this race has become a firm favourite.
- Chip timing
- Enter online
- Undulating
- PB
- Age 17 & over
- 13.1 miles road running + 889 ft ascent
- Sun 12 Apr 2026
- £33.50
Prestatyn, Clwyd, UK
Summit 2 Sea - The Offa's Dyke Half Marathon
Gather on the summit of Moel y Parc at over 1300ft and follow the Offa's Dyke National Trail to the coast to finish line on the beach at Prestatyn.
- Newcomers
- Enter online
- Hilly
- Event village
- Rural
- Coast
- Mountains
- Age 17 & over
- 13.8 miles trail running + 2450 ft ascent
- Sun 9 Nov
Llanfairpwllgwyngyll, Isle of Anglesey, UK
Anglesey Trail Half Marathon & 10K | Half Marathon
- 21.1 km trail running + 544 ft ascent
- Sun 16 Nov
Conwy, Clwyd, UK
Conwy Half Marathon | Half Marathon
- 13.1 miles road running + 1247 ft ascent
- Sun 29 Mar 2026
Llandudno, Clwyd, UK
Llandudno Half Marathon & 10 Mile | Half Marathon
- 13.1 miles road running
- Sat 4 Apr 2026
Aberdyfi, Gwynedd, UK
Aberdyfi Half Marathon | Half Marathon
- 21.1 km trail running + 850 m ascent
- Sun 10 May 2026
Llanrwst, Clwyd, UK
Snowdonia Half Marathon
- 13.1 miles road running + 1919 ft ascent
- Sun 4 Oct 2026
Bangor, Gwynedd, UK
Bangor City 10K & Half Marathon | Half Marathon
- 13.1 miles road running