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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 6 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!
- Chip timing
- Enter online
- Age 15 & over
- 10 km trail running
- Sat 24 Jan 2026
- £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 + 249 ft ascent
- Sun 1 Mar 2026
- £22-£27
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
- Sat 7 Mar 2026
- £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 2026
- £22-£27
The Nearly But Not Quite London Marathon - Wales | 10K
Didn't get a ballot entry into The London Marathon 2026? Don't panic, come and run with Saturn Running instead!
- Enter online
- Age 16 & over
- 10 km trail running + 0 ft ascent
- Sat 11 Jul 2026
Snowdonia Trail 10K Eryri
- 9.8 km trail running + 1335 ft ascent
- Sat 11 Apr 2026
RTT Gower Trail Half Marathon & 10K | 10K
- 10 km trail running
- Sat 25 Apr 2026
EnduranceLife - Pembrokeshire | 10K
- 10 km trail running + 1109 ft ascent
- Sun 10 May 2026
Llangollen Trail 10K & Kids 1 Mile Race | 10K
- 10 km trail running