Trail runs in Wales
Find trail runs near me in Wales for 2025/2026 - filter by date or location, 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 18 Oct
- £23
Loggerheads Autumn Trails | 14K Trail
The route takes in this wonderful area, and is varied in terms of terrain and challenging as a result. There are no time limits and runners of all abilities are welcome to come and take part.
- Enter online
- Age 16 & over
- 14 km trail running

- Sat 18 Oct
- £19
Loggerheads Autumn Trails | 7K Canicross
The route takes in this wonderful area, and is varied in terms of terrain and challenging as a result. There are no time limits and runners of all abilities are welcome to come and take part.
- Enter online
- Age 14 & over
- 7 km trail running

- Sat 18 Oct
- £19
Loggerheads Autumn Trails | 7K Trail
The route takes in this wonderful area, and is varied in terms of terrain and challenging as a result. There are no time limits and runners of all abilities are welcome to come and take part.
- Enter online
- Age 14 & over
- 7 km trail running

- Sat 18 Oct
- £22-£27
Scare Bear Run | Wales | 5K
Get involved in this spooky 5K Scare Bear Run! The Care Bears were a staple of anyone who grew up in the 80s and even if you never liked them, they make a super cute (slightly scary) medal to earn.
- Enter online
- Traffic free
- Age 12 & over
- 5 km road running

- Sat 18 Oct
- £22-£35
Scare Bear Run | Wales | Ultra Marathon
Get involved in this spooky, looped ultra! The Care Bears were a staple of anyone who grew up in the 80s and even if you didn't like them, they make a super cute (slightly scary) medal to earn.
- Enter online
- Traffic free
- Age 18 & over
- 30.6 miles road running

- Sun 19 Oct
- £49.50
Brenig Way 50K Trail
This regional marked footpath of 32 miles winds it's way through some beautifully remote upland scenery. Start at the town of Corwen in the Dee Valley, and follow the signage up the Dee Valley.
- Newcomers
- Enter online
- GPS tracking
- Flat
- Event village
- Rural
- Age 18 & over
- 50 km trail running + 1450 m ascent

- Sat 25 Oct
- £18.50
Moel Famau Halloween 'Piece of String' Night Race
A great chance to stretch your legs with this Halloween with the Piece of String - at night! You will not know the distance until the event unfolds....
- Enter online
- Hilly
- Age 18 & over
- 6 km trail running

- Sat 25 Oct
- £18.50
Moel Famau Halloween 'Piece of String' Night Race | Canicross Entry
A great chance to stretch your legs with your dog this Halloween with the Piece of String - at night! You will not know the distance until the event unfolds....
- Enter online
- Hilly
- Age 18 & over
- 6 km trail running

- Sat 22 Nov
- £22-£27
Smurf Run | Wales | 5K
Come and join the day of running and aim to complete a 5K 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 12 & over
- 5 km trail running + 0 ft ascent

- Sat 22 Nov
- £22-£27
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

- Sat 22 Nov
- £22-£35
Smurf Run | Wales | Half Marathon
Come and join the day of running and aim to complete a half marathon 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 17 & over
- 13.1 miles trail running + 0 ft ascent

- Sat 22 Nov
- £22-£35
Smurf Run | Wales | Marathon
Come and join the day of running and aim to complete a marathon 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 18 & over
- 26.2 miles trail running + 0 ft ascent

- Sat 22 Nov
- £22-£35
Smurf Run | Wales | 50K
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a Smurf medal and goody bag at the finish.
- Enter online
- Traffic free
- Age 20 & over
- 50 km trail running + 0 ft ascent

- Sat 22 Nov
- £22-£35
Smurf Run | Wales | Ultra Marathon
Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a Smurf medal and goody bag at the finish.
- Enter online
- Traffic free
- Age 18 & over
- 30.6 miles trail running + 0 ft ascent

- Sat 22 Nov
- £22-£35
Smurf Run | Wales | Time Challenge
Welcome to a 7-hour timed running event where you can run as far as you can in 7 hours at your own pace on a scenic route, with fuel stations each lap, and a themed Smurf medal and goody bag!
- Enter online
- Traffic free
- Age 18 & over
- 7 hrs trail running + 0 ft ascent

- 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 6 Dec
- £17.50
Alyn Waters Winter Trails | 5K & 10K | 5K Canicross
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 11 & over
- 5 km trail running

- Sat 6 Dec
- £17.50
Alyn Waters Winter Trails | 5K & 10K | 5K 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 11 & over
- 5 km trail running

- Sun 7 Dec
- £51.50
Sea 2 Summit | Offa's Dyke Ultra Marathon
The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!
- Chip timing
- Enter online
- Age 18 & over
- 33 miles trail running

- Sun 7 Dec
- £41.50
Sea 2 Summit | Offa's Dyke Full Marathon
The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!
- Chip timing
- Enter online
- Age 18 & over
- 26.2 miles trail running

- Sun 7 Dec
- £31.50
Sea 2 Summit | Offa's Dyke Half Marathon
The only way is up with this race along the Offas Dyke footpath. The scenery and terrain become more and more beautiful, and challenging as you go!
- Chip timing
- Enter online
- Age 17 & over
- 13.1 miles trail running

- Sat 20 Dec
- £9
Santa Run Wales | 2.5K
Get your Santa suits, reindeer antlers, and elf ears ready — Christmas is coming, and so is the most magical 2.5K fun run of the year!
- Enter online
- Fancy dress
- All ages
- 2.5 km trail running

- Sat 20 Dec
- £9
Santa Run Wales | 5K
Get your Santa suits, reindeer antlers, and elf ears ready — Christmas is coming, and so is the most magical 5K fun run of the year!
- Enter online
- Traffic free
- All ages
- 5 km trail running

- Sat 20 Dec
- £19
Moel Famau Festive 'Piece of String' Race | Canicross Entry
A great chance to stretch your legs with this event on the last Saturday before Christmas, with the Canicross race going off before the main pack.
- Enter online
- Hilly
- Age 18 & over
- 12 km trail running

- Sat 20 Dec
- £19
Moel Famau Festive 'Piece of String' Race
A great chance to stretch your legs with this event on the last Saturday before Christmas, with a Canicross race going off before the main pack.
- Enter online
- Hilly
- Age 18 & over
- 12 km trail running