0034
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!
Top Tip: Viewing this page in the default “Featured view” will show you all the Best Half Marathons in and around Wales. If you’re ready to set yourself a challenge right now then switching to “Bookable view” will show you those that can be booked instantly and securely through Find A Race. Guarantee your place today and get training :-)
Race Calendar: Half Marathons In Wales
🚀Boosted
PHOENIX - South Wales - Flamingo Run
Treharris, Mid Glamorgan
20 Jul 25
£22.00 - £39.95
🚀Boosted
The Cardiff 1.5k, 5k, 10k & Half Marathon MoRun
Cardiff
08 Nov 25
£12.00 - £30.00
5.0
My Little Care Bear Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
19 Jul 25
£18.00 - £35.00
PHOENIX - South Wales - Flamingo Run
Treharris, Mid Glamorgan
20 Jul 25
£22.00 - £39.95
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
4.3
Will Run For Ice Cream - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
30 Aug 25
£18.00 - £35.00
SNOWDONIA SEA2SKY 25k & 53K ULTRA
Barmouth, Gwynedd
06 Sep 25
£57.00 - £85.00
Fraggle Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
20 Sep 25
£18.00 - £35.00
Scare Bear Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
18 Oct 25
£18.00 - £35.00
Afan Forest Trail Half Marathon & 10k
Bryn Bettws Lodge, Port Tolbot SA12 9SP
18 Oct 25
£31.36 - £36.59
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
The Cardiff 1.5k, 5k, 10k & Half Marathon MoRun
Cardiff
08 Nov 25
£12.00 - £30.00
5.0
Beacons Ultra, Marathon & Half Marathon
Brecon, Powys
08 Nov 25
£40.00 - £80.00
Smurf Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
22 Nov 25
£18.00 - £35.00
Loggerheads Half Marathon
Loggerheads Country Park
29 Nov 25
£36.83 - £58.05
Machen Trail Races: Half and Full Marathons
Caerphilly, Mid Glamorgan
29 Nov 25
£40.00 - £50.00
4.8
Sea 2 Summit Half/Full/Ultra
Prestatyn Nova Centre
07 Dec 25
£33.63 - £54.86
A Christmas Carol Bobble Hat Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
21 Dec 25
£18.00 - £40.00
Midwinter Mortimer Trail
Ludlow, Shropshire
27 Dec 25
£15.00 - £55.00
Spice Up Your Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
24 Jan 26
£18.00 - £35.00
Chepstow Running Festival
Chepstow, Monmouthshire
25 Jan 26
£28.00 - £142.00
4.3
St David's Day Dragon Run 2026
Dare Valley Country Park, Dare, Aberdare, Wales, CF44 7PS
01 Mar 26
£18.00 - £35.00
Brechfa Trail Races
Carmarthen, Dyfed
14 Mar 26
£40.00 - £50.00
The Pendine Sands Races
Carmarthen, Carmarthenshire
05 Apr 26
£29.00 - £300.00
5.0
Bunny Hop Races - Virtual
Ross-on-Wye, Herefordshire
05 Apr 26
£30.00 - £39.00
Summit 2 Sea Half Marathon
Nova Centre, Prestatyn
12 Apr 26
Free - £35.76
The Nearly But Not Quite London Marathon - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
26 Apr 26
£18.00 - £35.00
Radyr & Morganstown Half Marathon and Marathon
Cardiff
09 May 26
£40.00 - £50.00
4.8
Essar Chester Half Marathon
Chester, Cheshire
17 May 26
£40.80
5.0
Chepstow Running Festival
Chepstow, Gwent
15 Aug 26
£28.00 - £142.00
4.3
Ludlow10
Ludlow, Shropshire
13 Jul 25
£15.00 - £35.00
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 1-34 of 34 results