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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!
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Race Calendar: Half Marathons In Wales
🚀Boosted
Essar Chester Half Marathon
Chester, Cheshire
Sun 17 May 26
£50.75
5.0
The Winter Railway Ultra
The old railway line behind The Woodbridge Pub, Coalport, Telford, TF8 7JF
Sat 21 Feb 26
£29.93 - £44.79
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
Phoenix South Wales - St David's Day Run
Cardiff, South Glamorgan
Sun 01 Mar 26
£22.00 - £35.00
St David's Day Run
Cardiff
Sun 01 Mar 26
£10.00 - £30.00
5.0
The Groundhog Marathon
Telford running track, New Road, Wrockwardine Wood, Telford, TF2 7AB
Sat 07 Mar 26
£28.01 - £45.00
The CODopoly Triple
The Unicorn Inn, Holly Rd, Telford TF4 3HZ
Fri 13 Mar 26 - Sun 15 Mar 26
£45.00 - £122.47
Brechfa Trail Races
Carmarthen, Dyfed
Sat 14 Mar 26
£40.00 - £50.00
The Dashing Dog Charity Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 15 Mar 26
£18.00 - £38.00
The Silkin Way Ultra (and half)
The Unicorn Inn, Holly Road, Little Dawley, Telford, TF4 3HZ
Sat 28 Mar 26
£39.69 - £51.36
Phoenix South Wales - Cakeathon
Treharris, Mid Glamorgan
Sun 29 Mar 26
£35.00
The Pendine Sands Races
Carmarthen, Carmarthenshire
Sun 05 Apr 26
£29.00 - £300.00
5.0
Bunny Hop Races - Virtual
Ross-on-Wye, Herefordshire
Sun 05 Apr 26
£30.00 - £39.00
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
Phoenix South Wales - Spinning Around
Treharris, Mid Glamorgan
Sat 25 Apr 26
£35.00
Phoenix South Wales - NOT The London Marathon
Cardiff, South Glamorgan
Sun 26 Apr 26
£35.00
The Nearly But Not Quite London Marathon - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 26 Apr 26
£18.00 - £35.00
Eastnor Castle Backyard 8hr, Backyard 12hr and Relay
Ledbury, Eastnor, Herefordshire
Sun 26 Apr 26
£70.20 - £216.00
5.0
May the Fourth be with you (original)
Carding Mill Valley, Church Stretton, Shropshire, SY6 6JG
Sat 02 May 26
£38.62 - £45.00
Radyr & Morganstown Half Marathon and Marathon
Cardiff
Sat 09 May 26
£40.00 - £50.00
4.8
Excalibur Trail Races, 10km, half marathon and marathon
Sun 10 May 26
£36.00 - £46.00
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
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
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
£29.99 - £94.99
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 - £35.00
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
Showing 1-40 of 73 results