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Ultra Marathons Found in Wales
View all ↓Ultra Marathons In Wales 2026
The most comprehensive list of Ultra Marathons in Wales in 2026 - 2027. Find your perfect race!
Race Calendar: Ultra Marathons In Wales
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 - £34.00
Phoenix South Wales - St David's Day Run
Cardiff, South Glamorgan
Sun 01 Mar 26
£22.00 - £35.00
The Dashing Dog Charity Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 15 Mar 26
£20.00 - £39.00
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
MTC CYMRUN 26
Tue 14 Apr 26 - Sun 19 Apr 26
£300.00 - £1,200.00
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 8hr Backyard and 8hr Relay
Ledbury, Eastnor, Herefordshire
Sun 26 Apr 26
£70.20 - £216.00
5.0
MHU - Malvern Hills Ultra
Worcester, Worcestershire
Sat 02 May 26
£25.00 - £95.00
5.0
24 Hours South - Offa's dyke ultra
Nova Centre, Prestatyn
Sat 09 May 26
Free - £165.24
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
The Telford T50 Trail Run
The Unicorn Inn, Holly Road, Little Dawley, Telford TF4 3HZ
Sat 30 May 26
£71.32
The Llangollen 50k
Llangollen Leisure Centre, Dinbren Road, Llangollen. LL208TG
Sat 06 Jun 26
Free - £56.98
Midsummer Mortimer Trail
Ludlow, Shropshire
Sat 20 Jun 26
£35.00 - £55.00
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
Black Diamond Yr Wyddfa | Snowdon24
Caernarfon, Gwynedd
Sat 11 Jul 26 - Sun 12 Jul 26
£129.99 - £374.99
Phoenix South Wales - Prosecco Run
Pontypridd, Mid Glamorgan
Sun 12 Jul 26
£35.00
Ooops I Ran It Again - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 25 Jul 26
£18.00 - £34.00
Ultra X Wales (110km single stage, 110km multi stage, 60km, 50km, 25km, 12km)
Brecon, Powys
Sat 25 Jul 26 - Sun 26 Jul 26
£39.00 - £290.00
The Railway Ultra
Coalport Railway Line Behind the WoodBridge Pub, Coalport, Telford, TF8 7JF
Sat 25 Jul 26
£29.93 - £44.79
Runningmonks Rollin' 100
Bishops Castle, Shropshire
Sat 25 Jul 26
£175.00
Phoenix South Wales - Rose Run
Treharris, Mid Glamorgan
Sat 01 Aug 26
£35.00
Phoenix South Wales - Kingfisher Run
Bargoed, Mid Glamorgan
Sun 02 Aug 26
£35.00
Run to the Castle Ultra
Aberdovey Village Hall, Aberdovey LL35 0NR
Sat 15 Aug 26
£48.18 - £74.71
Great British Bake Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 22 Aug 26
£18.00 - £34.00
Black Cattle Ultra Gwartheg Duon
Cardiff, South Glamorgan
Sat 29 Aug 26
£80.00 - £90.00
The Joust 6hr, 12hr & 24hr
Worcester, Worcestershire
Fri 04 Sep 26 - Sun 06 Sep 26
£5.00 - £365.00
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
Forest of Dean Ultra Marathon
Coleford, Gloucestershire
Sat 10 Oct 26
£90.00
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
Showing 1-40 of 55 results