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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
Sun 01 Feb 26
£25.00 - £30.00
4.9
Excalibur Winter Trail Races: 10km and 17km
Sun 02 Nov 25
£35.00 - £40.00
Beacons Ultra, Marathon & Half Marathon
Brecon, Powys
Sat 08 Nov 25
£20.00 - £80.00
Smurf Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 22 Nov 25
£18.00 - £35.00
Loggerheads Half Marathon
Loggerheads Country Park
Sat 29 Nov 25
Free - £58.05
Machen Trail Races: Half and Full Marathons
Caerphilly, Mid Glamorgan
Sat 29 Nov 25
£40.00 - £50.00
4.8
Sea 2 Summit Half/Full/Ultra
Prestatyn Nova Centre
Sun 07 Dec 25
Free - £54.86
2 Turtle Doves
Ross-on-Wye, Herefordshire
Mon 08 Dec 25
£29.00 - £39.00
3 French Hens Run
Ross-on-Wye, Herefordshire
Tue 09 Dec 25
£29.00 - £39.00
6 Geese a-laying Run
Ross-on-Wye, Herefordshire
Fri 12 Dec 25
£29.00 - £39.00
7 Swans a Swimming
Ross-on-Wye, Herefordshire
Sat 13 Dec 25
£29.00 - £39.00
9 Ladies Dancing
Ross-on-Wye, Herefordshire
Mon 15 Dec 25
£29.00 - £39.00
10 Lords a Leaping
Ross-on-Wye, Herefordshire
Tue 16 Dec 25
£29.00 - £39.00
11 Pipers Piping
Ross-on-Wye, Herefordshire
Wed 17 Dec 25
£29.00 - £39.00
12 Drummers Drumming
Ross-on-Wye, Herefordshire
Thu 18 Dec 25
£29.00 - £39.00
A Christmas Carol Bobble Hat Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 21 Dec 25
£20.00 - £40.00
Midwinter Mortimer Trail
Ludlow, Shropshire
Sat 27 Dec 25
£15.00 - £55.00
Spice Up Your Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 24 Jan 26
£18.00 - £35.00
Chepstow Running Festival
Chepstow, Monmouthshire
Sun 25 Jan 26
£30.00 - £36.00
4.3
The Cardiff 5k, 10k and Half Marathon Winter Warmer Run
Cardiff
Sun 01 Feb 26
£25.00 - £30.00
4.9
St David's Day Dragon Run 2026
Dare Valley Country Park, Dare, Aberdare, Wales, CF44 7PS
Sun 01 Mar 26
£18.00 - £35.00
Jones o Gymru Anglesey Half Marathon & 10k
Menai Bridge, Gwynedd
Sun 01 Mar 26
£9.99 - £42.99
Brechfa Trail Races
Carmarthen, Dyfed
Sat 14 Mar 26
£40.00 - £50.00
Bunny Hop Races - Virtual
Ross-on-Wye, Herefordshire
Sun 05 Apr 26
£30.00 - £39.00
The Pendine Sands Races
Carmarthen, Carmarthenshire
Sun 05 Apr 26
£29.00 - £300.00
5.0
Summit 2 Sea Half Marathon
Nova Centre, Prestatyn
Sun 12 Apr 26
Free - £35.76
Ogwen | Yr Helgi Du Skyrace
Betws-Y-Coed, Gwynedd
Sun 12 Apr 26
£35.99 - £74.99
5.0
The Nearly But Not Quite London Marathon - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 26 Apr 26
£18.00 - £35.00
Radyr & Morganstown Half Marathon and Marathon
Cardiff
Sat 09 May 26
£40.00 - £50.00
4.8
Essar Chester Half Marathon
Chester, Cheshire
Sun 17 May 26
£50.75
5.0
Rocky at 50 Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 30 May 26
£18.00 - £35.00
Midnight Mountain Marathon
Brecon, Powys
Sat 06 Jun 26
£45.00 - £70.00
5.0
Snowdonia Trail Marathon Eryri
Caernarfon, Gwynedd
Sun 12 Jul 26
£29.99 - £94.99
4.8
Ooops I Ran It Again - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 25 Jul 26
£18.00 - £35.00
Chepstow Running Festival
Chepstow, Gwent
Sat 15 Aug 26
£30.00 - £36.00
4.3
Lone Wolf Birmingham 2026
Kidderminster, Worcestershire
Sat 19 Sep 26
£60.00
The Cardiff 1.5k, 5k, 10k & Half Marathon MoRun
Cardiff
Sat 08 Nov 25
£15.00 - £35.00
5.0
Showing 1-36 of 36 results