Trail 10K runs in Wales
Find trail 10k runs 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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- Sun 1 Mar
- £14-£26
St Davids Day Dragon Run | 10K
Come and get involved in the second St David's Day 10K Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
- 10 km trail running
- Sat 7 Mar
- £20.50
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.
- 10 km trail running
- Sun 26 Apr
- £15-£27
The Nearly But Not Quite London Marathon | Wales | 10K
Didn't get a ballot entry into The London Marathon? Don't panic, come and experience this 10K event instead and earn a fantastic London-themed medal!
- 10 km trail running
- Sat 11 Jul
- £31.99-£37.99
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
- Sat 18 Jul
- £49
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
- Sun 1 Nov
- £28.99-£39.99
Anglesey Trail 10K
Anglesey's most beautiful trail 10K, set in the stunning surroundings of Newborough Forest and Traeth Llanddwyn, which once hosted the Commonwealth Mountain and Ultra Distance Running Championships.
- 10 km trail running + 98 m ascent
- Sat 5 Dec
- £21.50
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!
- 10 km trail running
- Sun 20 Dec
- £26-£36
The Snow Globe Gallop Bobble Hat Run - Wales | 10K
Come and join in for the Christmas Carol Bobble Hat Run in the picturesque Dare Valley in Wales! At this event you can earn yourself a running buff as well as one of the incredible themed medals!!
- 10 km trail running
- Sat 11 Apr
- £29.95
RTT Gower Trail Half Marathon & 10K | 10K
- 10 km trail running
- Sat 25 Apr
- £35
EnduranceLife - Pembrokeshire | 10K
- 10 km trail running + 1109 ft ascent
- Sun 10 May
- £21-£23
Llangollen Trail 10K & Kids 1 Mile Race | 10K
- 10 km trail running