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10K runs in Wales in July 2026

Find 10k runs in Wales in July 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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A beautiful 10K with something for all runners on a mixture of road, track and trail and takes in the beautiful lower slopes of Yr Wyddfa (Snowdon), with a stunning downhill to the finish line.
  • Sat 11 Jul
  • £31.99-£37.99
Caernarfon, Gwynedd, UK

Snowdonia Trail Eryri 10K

A beautiful 10K with something for all runners on a mixture of road, track and trail and takes in the beautiful lower slopes of Yr Wyddfa (Snowdon), with a stunning downhill to the finish line.

  • 9.8 km trail running + 1335 ft ascent
  • Chip timing
  • Enter online
  • Hilly
  • Age 17 & over
A perfect Saturday trail 10K from Penrice Castle on a loop towards Oxwich Bay then back to the event hub for a medal, a picnic lunch and to enjoy the whole Ultra Challenge atmosphere.
  • Sat 18 Jul
  • £49
Swansea, West Glamorgan, UK

Gower Peninsula Ultra Challenge | 10K Loop

A perfect Saturday trail 10K from Penrice Castle on a loop towards Oxwich Bay then back to the event hub for a medal, a picnic lunch and to enjoy the whole Ultra Challenge atmosphere.

  • 10 km multi terrain running + 250 m ascent
  • Enter online
  • Undulating
  • Age 8 & over
Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
  • Sat 25 Jul
  • £22-£27
Aberdare, Mid Glamorgan, UK

Ooops I Ran It Again | Wales | 10K

Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!

  • 10 km road running
  • Enter online
  • Traffic free
  • Age 16 & over
  • Sun 5 Jul
  • £32-£34
Porthcawl, Mid Glamorgan, UK

Porthcawl 10K and Junior Races | 10K

  • 10 km road running
  • Sun 12 Jul
  • £25.99-£27.99
Wrexham, Clwyd, UK

Chirk 10K Run

  • 10 km road running + 186 m ascent

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