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Marathons Found in Wales

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Marathons In Wales 2025 - 2026

The most comprehensive list of Marathons in Wales in 2025 - 2026. Find your perfect race!

Popular & Featured

Swansea

Swansea
Cardiff

Cardiff

Race Calendar: Marathons In Wales

Sausage Dog Run - Wales

Dare Valley Country Park, Aberdare, CF44 7PS
31 May 25
£27.00 - £35.00

Midnight Mountain Marathon

Brecon, Powys
07 Jun 25
£45.00 - £65.00

Cholmondeley Castle Run Series

Malpas
22 Jun 25
£35.00 - £65.00

Offer

10% OFF

XTERRA Snowdonia Trail Marathon Eryri, Ultra, Half Marathon & 10k

Caernarfon, Gwynedd
12 Jul 25
£31.99 - £94.99
4.8

My Little Care Bear Run - Wales

Dare Valley Country Park, Aberdare, CF44 7PS
19 Jul 25
£27.00 - £35.00

Gower Peninsula Ultra Challenge

Swansea, West Glamorgan
19 Jul 25 - 20 Jul 25
£39.00 - £199.00

Brecon Beacons Trails

Brecon, Talybont-on-Usk, Powys
09 Aug 25
£37.00 - £352.00

SNOWDONIA SEA2SKY 25k & 53K ULTRA

Barmouth, Gwynedd
06 Sep 25
£42.00 - £77.00

UTBC Marathon

Bishops Castle, Shropshire
27 Sep 25
£42.00

MBNA Chester Marathon

Chester, Cheshire
05 Oct 25
£65.30

Beacons Ultra, Marathon & Half Marathon

Brecon, Powys
08 Nov 25
£40.00 - £80.00

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 1-14 of 14 results

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