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Flat Road runs in Wales in March 2026

Find flat road runs in Wales in March 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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The most beautiful half marathon in North Wales! Flanked by breathtaking views of Eryri (Snowdonia), the beauty and uniqueness of this event is what draws people from all over the UK!
  • Sun 1 Mar
  • £9.99-£49.99
Anglesey, Isle of Anglesey, UK

Jones o Gymru Anglesey Half Marathon and 10K

The most beautiful half marathon in North Wales! Flanked by breathtaking views of Eryri (Snowdonia), the beauty and uniqueness of this event is what draws people from all over the UK!

  • Fun run
  • 10K run
  • Half marathon
  • Families
  • Carbon offset
  • Recycling
  • Beginner-friendly
  • Plastic bottle free
  • Music
  • Event village
  • Rural
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Plastic-free event
  • Age 5 & over
Come and join the Dashing Dog Charity run in the picturesque Dare Valley Country Park. Not only is the scenery beautiful but you will earn one of these awesome medals!
  • Sun 15 Mar
  • £18-£38
Aberdare, Mid Glamorgan, UK

The Dashing Dog Charity Run | Wales

Come and join the Dashing Dog Charity run in the picturesque Dare Valley Country Park. Not only is the scenery beautiful but you will earn one of these awesome medals!

  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • Park
  • All ages
  • Sun 1 Mar
  • £10-£35
Cardiff, UK

St Davids Day Run

  • Fun run
  • 5K run
  • 10K run
  • Half marathon
  • Sun 8 Mar
  • £30-£50
Burry Port, Dyfed, UK

Great Welsh Marathon Events

  • Half marathon
  • Marathon
  • 10K run
  • Sun 29 Mar
  • £40-£42
Llandudno, Clwyd, UK

Llandudno Half Marathon & 10 Mile

  • 10 miler
  • Half marathon
  • Sun 29 Mar
  • £24.99-£29.99
Swansea, West Glamorgan, UK

Swansea 10 Miler

  • Road run
  • 10 miler

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