6 Half marathons in Wales in May 2024

Find half marathons in and around Wales in May 2024 - search by date or place, display on a map or use the advanced search to find your perfect race.

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  • Sat 4 May
  • £52
Brecon, Powys, UK

TEC Brecon Beacons | Half Marathon

The Brecon Beacons Trail Running Challenge is now entering its 10th year in Talyboont-on Usk and is one of the most popular events on the trail running calendar in Wales.

  • 27.2 km trail running
  • Sat 11 May
  • £35
Cardiff, Cardiff, UK

Radyr and Morganstown Trail | Half Marathon

Radyr Trail Half Marathon & Trail Marathon start in Wales' capital city, Cardiff but you'll soon feel a million miles away as you leave the hustle and bustle behind you for idillic trails and scenery.

  • 13.1 miles trail running
  • Sun 12 May
  • £40
Mold, Clwyd, UK

Excalibur Marathon | Half Marathon

Altitude with Attitude Marathon/Half/10K over 5,500ft of Ascent

  • 13.1 miles trail running
  • Sun 12 May
  • £37-£39
Llanrwst, Clwyd, UK

Snowdonia Half Marathon

One of The UK’s Toughest Half Marathon Warning! Warning! Warning! This is very tough! This is very tough!

  • 13.1 miles road running
  • Sat 18 May
  • £45
Crickhowell, Powys, UK

Blacks to the Beacons | Half Marathon

Whether you’re a season Marathon and Ultra runner or this is your first attempt at a longer distance, we guarantee you will have an amazing day. The Blacks to the Beacons is part of our Trail Festival

  • 13.1 miles trail running
  • Sat 18 May
  • £35
Aberdare, Mid Glamorgan, UK

Dare Valley Trail Races | Half Marathon

Embark on a magical trail running journey through ancient woodlands, hidden reservoirs, towering wind turbines and unrivalled views of the Brecon Beacons National park culminating in a dramatic,

  • 13.1 miles trail running

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