Trail 10K runs in Wales

Find trail 10k runs in Wales in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Come and join the day of running and aim to complete a 10K at your own pace on a scenic course then receive a fantastic Smurf-themed medal and goody bag at the finish!

Sat 22 Nov
£22-£27

Aberdare, Mid Glamorgan, UK

Smurf Run | Wales | 10K

Come and join the day of running and aim to complete a 10K at your own pace on a scenic course then receive a fantastic Smurf-themed medal and goody bag at the finish!

Enter online
Traffic free
Age 16 & over

10 km trail running + 0 ft ascent

Alyn Waters is a great place for trail running! The country park is accessible, the paths easy to follow and with a variety of terrain, and with a few ups and downs to make you really earn your medal!

Sat 6 Dec
£21.50

Wrexham, Clwyd, UK

Alyn Waters Winter Trails | 5K & 10K | 10K Trail

Alyn Waters is a great place for trail running! The country park is accessible, the paths easy to follow and with a variety of terrain, and with a few ups and downs to make you really earn your medal!

Chip timing
Enter online
Age 15 & over

10 km trail running

If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you!

Sat 24 Jan 2026
£22-£27

Aberdare, Mid Glamorgan, UK

Spice Up Your Run - Wales | 10K

If you're looking to spice up your run or you need some running like you've never needed running before, then this is the event for you!

Enter online
Age 16 & over

10 km trail running + 249 ft ascent

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 2026
£22-£27

Aberdare, Mid Glamorgan, UK

St Davids Day Dragon Run | 10K

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

Enter online
Age 16 & over

10 km trail running

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 2026
£20.50

Mold, Clwyd, UK

Loggerheads Trail 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.