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Trail Marathons in Mid Glamorgan

Find trail marathons in Mid Glamorgan in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this event instead and earn a fantastic London-themed medal!
  • Sun 26 Apr
  • £15-£35
Aberdare, Mid Glamorgan

The Nearly But Not Quite London Marathon | Wales

Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this event instead and earn a fantastic London-themed medal!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • Park
  • All ages
Come and join the Christmas Carol Bobble Hat Marathon in the picturesque Dare Valley in Wales! At this event you can earn yourself a running buff as well as one of the incredible themed medals!
  • Sun 20 Dec
  • £27-£40
Aberdare, Mid Glamorgan

The Snow Globe Gallop Bobble Hat Run | Wales | Marathon

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

  • 26.2 miles trail running
  • Enter online
  • Traffic free
  • Age 18 & over
  • Sat 16 May
  • £55-£57
Merthyr Tydfil, Powys

OTT Trail Marathon & 10 Mile Trail Run Brecon Beacons | Marathon

  • 26.2 miles trail running
  • Sat 18 Jul
  • £40-£45
Bridgend, Mid Glamorgan

Rabbit Run Wales | Marathon

  • 42.2 km trail running

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