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Marathons in Wales

Find marathons near me in Wales for 2025/2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Who doesn't know and love The Fraggles! Come and join Saturn Running for the Fraggle Run and earn a medal based on the adorable little creatures!!
  • Sat 20 Sep
  • £22-£35
  • Sat 20 Sep
  • £22-£35
Aberdare, Mid Glamorgan, UK

Fraggle Run - Wales | Marathon

Who doesn't know and love The Fraggles! Come and join Saturn Running for the Fraggle Run and earn a medal based on the adorable little creatures!!

  • Enter online
  • Age 18 & over
  • 26.2 miles road running
Come and join Saturn Too for our spooky Scare Bear Run!
  • Sat 18 Oct
  • £22-£35
  • Sat 18 Oct
  • £22-£35
Aberdare, Mid Glamorgan, UK

Scare Bear Run - Wales | Marathon

Come and join Saturn Too for our spooky Scare Bear Run!

  • Enter online
  • Age 18 & over
  • 26.2 miles road running
Come and join this Smurf Run at the picturesque Dare Valley in Wales! Who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!
  • Sat 22 Nov
  • £22-£35
  • Sat 22 Nov
  • £22-£35
Aberdare, Mid Glamorgan, UK

Smurf Run - Wales | Marathon

Come and join this Smurf Run at the picturesque Dare Valley in Wales! Who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!

  • Enter online
  • Age 18 & over
  • 26.2 miles road running + 0 ft ascent
The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!
  • Sun 7 Dec
  • £41.50
  • Sun 7 Dec
  • £41.50
Prestatyn, Clwyd, UK

Sea 2 Summit | Offa's Dyke Full Marathon

The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!

  • Chip timing
  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
Come and join in Christmas Carol Bobble Hat Run in the picturesque Dare Valley in Wales! At this event you can earn yourself a bobble hat as well as one of the incredible themed medals!!
  • Sun 21 Dec
  • £27-£40
  • Sun 21 Dec
  • £27-£40
Aberdare, Mid Glamorgan, UK

A Christmas Carol Bobble Hat Run - Wales | Marathon

Come and join in Christmas Carol Bobble Hat Run in the picturesque Dare Valley in Wales! At this event you can earn yourself a bobble hat as well as one of the incredible themed medals!!

  • Enter online
  • Age 18 & over
  • 26.2 miles road running
If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you!
  • Sat 24 Jan 2026
  • £33-£35
  • Sat 24 Jan 2026
  • £33-£35
Aberdare, Mid Glamorgan, UK

Spice Up Your Run - Wales | Marathon

If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 2028 ft ascent
Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
  • Sun 1 Mar 2026
  • £22-£35
  • Sun 1 Mar 2026
  • £22-£35
Aberdare, Mid Glamorgan, UK

St Davids Day Dragon Run | Marathon

Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
  • Sun 12 Oct
Newport, Rhode Island, USA

Amica Newport Marathon

  • 26.2 miles road running + 866 ft ascent
  • Sat 8 Nov
Swansea, West Glamorgan, UK

EnduranceLife - Gower | Marathon

  • 27.4 miles trail running + 3425 ft ascent
  • Sat 29 Nov
Caerphilly, Gwent, UK

Machen Trail Races: Half Marathon and Marathon | Marathon

  • 26 miles trail running + 4760 ft ascent
  • Sat 13 Dec
Grecynon, Mid Glamorgan, UK

Celtic Trail Races | Marathon

  • 26 miles trail running + 3050 ft ascent
  • Sun 8 Mar 2026
Burry Port, Dyfed, UK

Great Welsh Marathon Events | Full Marathon

  • 26.2 miles road running + 363 ft ascent
  • Sat 14 Mar 2026
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon | Marathon

  • 26 miles trail running
  • Sat 9 May 2026
Cardiff, UK

Radyr Trail Races: Half Marathon and Marathon | Marathon

  • 26.2 miles trail running

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