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Marathons with chip timing in Wales

Find marathons with chip timing in Wales 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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The most epic trail marathon in Wales! Iconic and spectacular trails, circumnavigating then climbing the slopes of Wales' highest peak - Yr Wyddfa (Snowdon).
  • Sun 12 Jul
  • £59.99-£64.99
Caernarfon, Gwynedd, UK

Snowdonia Trail Marathon Eryri

The most epic trail marathon in Wales! Iconic and spectacular trails, circumnavigating then climbing the slopes of Wales' highest peak - Yr Wyddfa (Snowdon).

  • 27.3 miles trail running + 1685 m ascent
A classic distance from Penrice Castle on a loop featuring Oxwich Bay and its nature reserve, the stunning Wales Coast Path, picnic at Rhossili, the Gower Way then a celebration and medal!
  • Sat 18 Jul
  • £89
Swansea, West Glamorgan, UK

Gower Peninsula Ultra Challenge | Marathon 42K Loop

A classic distance from Penrice Castle on a loop featuring Oxwich Bay and its nature reserve, the stunning Wales Coast Path, picnic at Rhossili, the Gower Way then a celebration and medal!

  • 42 km multi terrain running + 900 m 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 6 Dec
  • £49.50
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!

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

Rabbit Run Wales | Marathon

  • 42.2 km trail running

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