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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 24 Jan
- £22-£27
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! Come and celebrate all things Spice Girls!
- Enter online
- Age 16 & over
- 10 km trail running + 498 ft ascent
- Sun 1 Mar
- £22-£27
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!
- Enter online
- Traffic free
- Age 16 & over
- 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.
- Enter online
- Age 15 & over
- 10 km trail running
- Sun 26 Apr
- £22-£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!
- Enter online
- Traffic free
- Age 16 & over
- 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.
- Chip timing
- Enter online
- Hilly
- Age 17 & over
- 9.8 km trail running + 1335 ft 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.
- Chip timing
- Enter online
- Age 17 & over
- 10 km trail running + 98 m ascent
- Sat 11 Apr
RTT Gower Trail Half Marathon & 10K | 10K
- 10 km trail running
- Sat 25 Apr
EnduranceLife - Pembrokeshire | 10K
- 10 km trail running + 1109 ft ascent