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Runs in Wales in March 2026

Find 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!

  • 10K run
  • Half marathon
  • Fun run
  • 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 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
  • £16-£35
Aberdare, Mid Glamorgan, UK

St Davids Day Dragon Run

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

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
  • Families
  • Beginner-friendly
  • Event village
  • Park
  • All ages
The courses are challenging but the event environment is relaxed and friendly. Runners of all abilities can get involved and enjoy a run out on those fabulous trails.
  • Sat 7 Mar
  • £18-£20.50
Mold, Clwyd, UK

Loggerheads Trail 5K & 10K

The courses are challenging but the event environment is relaxed and friendly. Runners of all abilities can get involved and enjoy a run out on those fabulous trails.

  • 5K run
  • CaniCross
  • 10K run
  • Families
  • Beginner-friendly
  • Dogs allowed at venue
  • Event village
  • Park
  • Age 11 & 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
A great chance to stretch your legs with this event at the start of the Easter holidays, with a canicross race going off before the main pack. You'll find out distance and route as you run!
  • Sat 28 Mar
  • £19
Mold, Clwyd, UK

Moel Famau Easter 'Piece of String' Race

A great chance to stretch your legs with this event at the start of the Easter holidays, with a canicross race going off before the main pack. You'll find out distance and route as you run!

  • Trail run
  • CaniCross
  • Beginner-friendly
  • Dogs allowed at venue
  • Event village
  • Age 18 & over
  • Sun 1 Mar
Cardiff, UK

St Davids Day Run

  • Fun run
  • 5K run
  • 10K run
  • Half marathon
  • Sun 1 Mar
Pwllheli, Gwynedd, UK

St Davids Day Celebration North Wales Pilgrims Half Marathon

  • Half marathon
  • Fun run
  • Sun 1 Mar
Newport, Gwent, UK

The KLA City of Newport Half Marathon

  • 13.1 miles road running
  • Sat 7 Mar
Rhayader, Powys, UK

Rhayader Round the Lakes

  • 10K run
  • Road run
  • Sun 8 Mar
Burry Port, Dyfed, UK

Great Welsh Marathon Events

  • Half marathon
  • Marathon
  • 10K run
  • Sat 14 - Sun 15 Mar
Wrexham, Clwyd, UK

Brynkinalt Running Festival

  • CaniCross 2
  • 5K run
  • 10K run
  • Sat 14 Mar
Carmarthen, Dyfed, UK

Brechfa Trail Races: Half Marathon & Marathon

  • Half marathon
  • Marathon
  • Sun 22 Mar
Merthyr Tydfil, Mid Glamorgan, UK

The Merthyr Half Marathon

  • Fun run 2
  • Half marathon
  • Sun 22 Mar
Port Talbot, West Glamorgan, UK

Red Warrior Multi Terrain Races

  • 5K run
  • 10K run
  • Multi-terrain run
  • CaniCross 3
  • Sun 22 Mar
Welshpool, Powys, UK

Welshpool 10K Run

  • 10 km road running + 176 m ascent
  • Sun 29 Mar
Llandudno, Clwyd, UK

Llandudno Half Marathon & 10 Mile

  • 10 miler
  • Half marathon

Other UK events

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