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Half Marathons Found in Wales
View all ↓Half Marathons In Wales 2026 - 2027
The most comprehensive list of Half Marathons in Wales in 2026 - 2027. 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
Excalibur Trail Races, 10km, half marathon and marathon
Ruthin, Clwyd
Sun 10 May 26
£36.00 - £46.00
Rocky at 50 Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 30 May 26
£18.00 - £34.00
Phoenix South Wales - Manta Ray Run
Treharris, Mid Glamorgan
Sat 30 May 26
£35.00
Fishguard - Multi Sport Festival
The Parrog, Fishguard
Fri 05 Jun 26 - Sat 06 Jun 26
£13.50 - £322.92
Midnight Mountain Marathon
Brecon, Powys
Sat 06 Jun 26
£45.00 - £70.00
5.0
Conquer Cardiff Summer 5k, 10k and Half Marathon
Cardiff
Sat 06 Jun 26
£25.00 - £30.00
4.6
Midsummer Mortimer Trail
Ludlow, Shropshire
Sat 20 Jun 26
£35.00 - £55.00
Run to Infinity & Beyond - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 21 Jun 26
£18.00 - £34.00
Cholmondeley Castle Run Series
Malpas, Cheshire
Sun 21 Jun 26
£37.63 - £69.88
July the Turd
The Unicorn Inn, Holly Road, Little Dawley TF4 3HZ
Sat 04 Jul 26
£29.93 - £42.66
Snowdonia Trail Marathon Eryri
Caernarfon, Gwynedd
Sat 11 Jul 26 - Sun 12 Jul 26
£33.99 - £99.99
4.8
Phoenix South Wales - Butterfly Run
Treharris, Mid Glamorgan
Sat 11 Jul 26
£35.00
The Piece of Cake Trail Run
Carding Mill Valley, Church Stretton, Shropshire, SY6 6JG
Sat 11 Jul 26
£32.25 - £45.00
Phoenix South Wales - Prosecco Run
Pontypridd, Mid Glamorgan
Sun 12 Jul 26
£35.00
Ludlow10
Ludlow, Shropshire
Sun 12 Jul 26
£15.00 - £35.00
Ooops I Ran It Again - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 25 Jul 26
£18.00 - £34.00
The Railway Ultra
Coalport Railway Line Behind the WoodBridge Pub, Coalport, Telford, TF8 7JF
Sat 25 Jul 26
£29.93 - £44.79
Phoenix South Wales - Rose Run
Treharris, Mid Glamorgan
Sat 01 Aug 26
£35.00
The Rocky Horror Picture Show
Shrewsbury Sports Village, Sundorne Rd, Shrewsbury SY1 4RQ
Sun 02 Aug 26
£27.80 - £45.00
Phoenix South Wales - Kingfisher Run
Bargoed, Mid Glamorgan
Sun 02 Aug 26
£35.00
Chepstow Running Festival
Chepstow, Gwent
Sat 15 Aug 26
£30.00 - £36.00
4.3
Great British Bake Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 22 Aug 26
£18.00 - £34.00
RunThrough Snowdonia Sea2Sky 53k & 25k Trail Races
Barmouth, Gwynedd
Sat 05 Sep 26
£57.00 - £97.00
4.8
Phoenix South Wales - Alice in Runderland
Treharris, Mid Glamorgan
Sat 12 Sep 26
£35.00
Phoenix South Wales - Are We There Yet?
Bargoed, Mid Glamorgan
Sun 13 Sep 26
£35.00
Lone Wolf Birmingham 2026
Kidderminster, Worcestershire
Sat 19 Sep 26
£60.00
Guardians of the CODRC
TF4 3HZ
Sat 26 Sep 26
£38.62 - £45.00
Doughnut Dash - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 03 Oct 26
£18.00 - £34.00
Scare Bear Run 2026 - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 17 Oct 26
£18.00 - £34.00
Phoenix South Wales - Aberfan Memorial Run
Merthyr Tydfil, Mid Glamorgan
Sun 18 Oct 26
£35.00
The Halloween 7in7
Ross-on-Wye, Herefordshire
Mon 19 Oct 26 - Sun 25 Oct 26
£155.00 - £195.00
The Pumpkin Marathon & Spooky Halloween Challenge
Burroughs Bank, Lightmoor, Telford, TF4 3QS
Sat 31 Oct 26
£27.80 - £44.79
The Cardiff 1.5k, 5k, 10k & Half Marathon MoRun
Cardiff
Sun 01 Nov 26
£12.00 - £30.00
5.0
Beacons Ultra, Marathon & Half Marathon
Brecon, Powys
Sat 07 Nov 26
£20.00 - £80.00
4.0
Afan Forest Trail Half Marathon & 10k
Bryn Bettws Lodge, Port Tolbot SA12 9SP
Sat 14 Nov 26
£27.18 - £35.55
5.0
The Smurf Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 21 Nov 26
£18.00 - £34.00
Machen Trail Races: Half and Full Marathons
Caerphilly, Mid Glamorgan
Sat 28 Nov 26
£40.00 - £50.00
4.9
12 Days of Xmas 12in12
Ross-on-Wye, Herefordshire
Sun 06 Dec 26 - Thu 17 Dec 26
£270.00 - £325.00
2 Turtle Doves
Ross-on-Wye, Herefordshire
Mon 07 Dec 26
£29.00
3 French Hens Run
Ross-on-Wye, Herefordshire
Tue 08 Dec 26
£29.00
Showing 1-40 of 66 results