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Half Marathons Found in Wales
View all ↓Half Marathons In Wales 2025 - 2026
The most comprehensive list of Half Marathons in Wales in 2025 - 2026. Find your perfect race!
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Race Calendar: Half Marathons In Wales
🚀Boosted
The Cardiff 5k, 10k and Half Marathon Winter Warmer Run
Cardiff
08 Feb 25
£25.00 - £30.00
5.0
🚀Boosted
XTERRA Snowdonia Trail Marathon Eryri, Ultra, Half Marathon & 10k
Caernarfon, Gwynedd
12 Jul 25
£31.99 - £94.99
4.8
Chepstow Racecourse 5k, 10k & Half Marathon
Chepstow, Monmouthshire
26 Jan 25
£28.00 - £142.00
4.1
The Cardiff 5k, 10k and Half Marathon Winter Warmer Run
Cardiff
08 Feb 25
£25.00 - £30.00
5.0
The Who Framed Roger Rabbit Love Run - Wales
Aberdare, Mid Glamorgan
22 Feb 25
£27.00 - £40.00
St David's Day Dragon Run
Aberdare, Mid Glamorgan
01 Mar 25
£27.00 - £40.00
St David's Day Run
Cardiff
01 Mar 25
£10.00 - £25.00
5.0
Jones o Gymru Anglesey Half Marathon & 10k
Menai Bridge, Gwynedd
02 Mar 25
£9.49 - £45.99
Save The Rhino Run - Wales
Aberdare, Mid Glamorgan
22 Mar 25
£27.00 - £40.00
Summit 2 Sea - The Offa's Dyke Half Marathon
Nova Centre, Prestatyn
13 Apr 25
Free - £30.92
The Pendine Sands Races
Carmarthen, Carmarthenshire
13 Apr 25
£29.00 - £300.00
5.0
Radyr & Morganstown Half Marathon and Marathon
Cardiff
10 May 25
£38.00 - £48.00
4.8
Excalibur Trail Races, 10km, half marathon and marathon
11 May 25
£35.00 - £45.00
Essar Chester Half Marathon
Chester, Cheshire
18 May 25
£48.80
5.0
Midnight Mountain Marathon
Brecon, Powys
07 Jun 25
£45.00 - £65.00
Conquer Cardiff Summer 5k, 10k and Half Marathon
Cardiff
07 Jun 25
£22.00 - £25.00
4.5
XTERRA Snowdonia Trail Marathon Eryri, Ultra, Half Marathon & 10k
Caernarfon, Gwynedd
12 Jul 25
£31.99 - £94.99
4.8
Ogwen | Yr Helgi Du Skyline
Betws-Y-Coed, Gwynedd
02 Aug 25
£31.99 - £74.99
Brecon Beacons Trails
Brecon, Talybont-on-Usk, Powys
09 Aug 25
£37.00 - £352.00
Chepstow Running Festival 5k, 10k & Half Marathon
Chepstow, Gwent
16 Aug 25
£28.00 - £142.00
4.1
The Giddy Horse: Backyard 24hr, 12hr, 8hr Races (Solo & Team) Plus Canicross, Night Races, Obstacle Course Race & Trail Races
Chepstow, Gwent
25 Oct 25 - 26 Oct 25
£25.92 - £216.00
Beacons Ultra, Marathon & Half Marathon
Brecon, Powys
08 Nov 25
£40.00 - £80.00
The Turtle Run
Aberdare, Mid Glamorgan
25 Jan 25
£27.00 - £40.00
Brechfa Trail Races
Carmarthen, Dyfed
22 Mar 25
£38.00 - £48.00
Eastnor Castle Backyard 8hr, Backyard 12hr and Relay
Ledbury, Eastnor, Herefordshire
10 May 25
£64.80 - £172.80
5.0
6 Geese a-laying Run – Virtual
Ross-on-Wye, Herefordshire
12 Dec 25
£25.00 - £39.00
9 Ladies Dancing – Virtual
Ross-on-Wye, Herefordshire
15 Dec 25
£25.00 - £39.00
10 Lords a Leaping – Virtual
Ross-on-Wye, Herefordshire
16 Dec 25
£25.00 - £39.00
Showing 1-26 of 26 results