June 2026
Tenby, Pembrokeshire
5K, 10K, Half Marathon, Marathon
Half Marathons in Wales 2026
22 upcoming half marathons in Wales. Browse dates, entry fees and links to enter.
Upcoming half marathons in Wales
22 events
June 2026
Swansea, West Glamorgan
Half Marathon
£47View event
June 2026
Cardiff, Cardiff
5K, 10K, Half Marathon
£25-£35View event
June 2026
Brecon, Powys
Half Marathon, Mountain marathon
£45-£70View event
July 2026
Aberdare, Rhondda Cynon Taf
5K, 10K, Half Marathon, Marathon, 7 hours
£14-£34View event
11-12 Jul 2026
Caernarfon, Gwynedd
10K, Half Marathon, Marathon, Ultra
£31.99-£319.99View event
August 2026
Aberdare, Rhondda Cynon Taf
5K, 10K, Half Marathon, Marathon, 7 hours
£14-£34View event
August 2026
Chepstow, Monmouthshire
5K, 10K, Half Marathon
September 2026
Caernarfon, Gwynedd
Half marathon, Fun run
£40-£42View event
September 2026
Llanwddyn, Powys
Half Marathon
£38-£40View event
September 2026
Haverfordwest, Pembrokeshire
10K, Half marathon
£30-£35View event
12-13 Sep 2026
Beaumaris, Isle of Anglesey
10K, Half marathon, Fun run
£6-£35View event
October 2026
Cardiff, South Glamorgan
Half Marathon
£5-£60View event
October 2026
Bangor, Gwynedd
10K, Half marathon
£32-£42View event
November 2026
Newborough, Isle of Anglesey
10K, Half Marathon, Trail
£28.99-£51.99View event
November 2026
Cardiff, Cardiff
1.5K, 5K, 10K, Half Marathon
£12-£35View event
November 2026
Brecon, Powys
Half marathon, Marathon, Ultra
£20-£80View event
November 2026
Port Talbot, Neath Port Talbot
10K, Half Marathon, Trail
£27.18-£35.55View event
November 2026
Mold, Clwyd
Half Marathon Trail
£35-£60.50View event
November 2026
Conwy, Conwy
Half Marathon, Fun Run
£5-£44View event
December 2026
Prestatyn, Clwyd
Half Marathon, Marathon, 56km, Ultra
£38.50-£59.50View event
December 2026
Aberdare, Mid Glamorgan
5K, 10K, Half marathon, Marathon, Trail
£24-£40View event
Other distances in Wales
Browse races by distance across Wales.
Half Marathons in other UK regions
Find half marathons elsewhere in the UK.