Trail runs in Wales
Find trail 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 18 Oct
- £19-£23
Loggerheads Autumn Trails
The longer version of the popular 5K and 10K races, the routes take in even more of this wonderful area, and are varied in terms of terrain and challenging as a result.
- Families
- Newcomers
- Dogs allowed at venue
- Event village
- Park
- Age 14 & over
- Trail run 2
- CaniCross
- Sat 18 Oct
- £16-£35
Scare Bear Run | Wales
Get involved in this spooky 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.
- Newcomers
- Event village
- Park
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- 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....
- Newcomers
- Dogs allowed at venue
- Event village
- Age 18 & over
- Trail run
- CaniCross
- Sat 22 Nov
- £16-£35
Smurf Run | Wales
Come and join this Smurf Run at the picturesque Dare Valley in Wales! Who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!
- Families
- Newcomers
- Event village
- Park
- All ages
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 6 Dec
- £17.50-£21.50
Alyn Waters Winter Trails | 5K & 10K
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!
- Families
- Newcomers
- Dogs allowed at venue
- Event village
- Park
- Age 11 & over
- 5K run
- 10K run
- CaniCross
- Sun 7 Dec
- £31.50-£51.50
Sea 2 Summit | Offa's Dyke Half/Full/Ultra
Starting at Prestatyn seafront, the National Trail waymarkers take you up into the hills south, with the scenery and terrain becoming more and more beautiful and challenging as you go!
- Newcomers
- Event village
- Urban
- Age 17 & over
- Half marathon
- Marathon
- Ultra run
- Sat 20 Dec
- £9
Santa Run Wales
Get your Santa suits, reindeer antlers, and elf ears ready — Christmas is Coming, and so is the most magical fun run of the year!
- Families
- Newcomers
- Fancy dress
- Event village
- Park
- All ages
- Fun run
- 5K run
- 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.
- Newcomers
- Dogs allowed at venue
- Event village
- Age 18 & over
- Trail run
- CaniCross
- Sun 11 Jan 2026
- £17
Vale of Clwyd 5K
The route is exactly 5K, multi-terrain in nature, with a nice mix of minor road and trail to make for an interesting run in lovely surroundings, with fantastic views. Chip timing, prizes and medal!
- Families
- Newcomers
- Chip timing
- Enter online
- Flat
- Undulating
- Event village
- Park
- Age 11 & over
- 5 km multi terrain running
- Sat 24 Jan 2026
- £16-£35
Spice Up Your Run - Wales
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!
- Families
- Newcomers
- Fancy dress
- Event village
- Park
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 1 Mar 2026
- £16-£35
St Davids Day Dragon Run
Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!
- Families
- Newcomers
- Event village
- Park
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 7 Mar 2026
- £18-£20.50
Loggerheads Trail 5K & 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.
- Families
- Newcomers
- Dogs allowed at venue
- Event village
- Park
- Age 11 & over
- 5K run
- CaniCross
- 10K run
- Sat 28 Mar 2026
- £19
Moel Famau Easter 'Piece of String' Race
A great chance to stretch your legs with this event at the start of the Easter holidays, with a canicross race going off before the main pack. You'll find out distance and route as you run!
- Newcomers
- Dogs allowed at venue
- Event village
- Age 18 & over
- Trail run
- CaniCross
- Sun 12 Apr 2026
- £33.50
Summit 2 Sea - The Offa's Dyke Half Marathon
Gather on the summit of Moel y Parc at over 1300ft and follow the Offa's Dyke National Trail to the coast to finish line on the beach at Prestatyn.
- Newcomers
- Enter online
- Hilly
- Event village
- Rural
- Coast
- Mountains
- Age 17 & over
- 13.8 miles trail running + 2450 ft ascent
- Sat 25 Apr 2026
- £52.50-£90.50
North Wales 50K & 100K
This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.
- Newcomers
- Event village
- Age 18 & over
- 50K ultra run
- 100K ultra run
- Sun 26 Apr 2026
- FREE-£35
The Nearly But Not Quite London Marathon - Wales
Didn't get a ballot entry into The London Marathon 2026? Don't panic, come and run with Saturn Running instead!
- Families
- Newcomers
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 9 - Sun 10 May 2026
- £95.50-£155.50
24 Hours South | The Offa's Dyke Ultra
The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.
- Newcomers
- Chip timing
- Enter online
- GPS tracking
- Event village
- Rural
- Age 18 & over
- 24 hrs trail running + 8561 ft ascent
- Sat 6 Jun 2026
- £53.50
The Llangollen 50K
A truly beautiful area of North Wales! The route uses two way-marked 15-mile linear routes either side of the river, to create a spectacular, challenging excursion in and above the valley.
- Newcomers
- Enter online
- Event village
- Rural
- Age 21 & over
- 50 km trail running + 5435 ft ascent
- Sat 15 Aug 2026
- £65.50-£170
Moel Famau 12 & 24hr Challenge
This challenge involves a beautiful 7.2km loop being used, which will test you with it's 500m of ascent each time, with competitors completing as many laps of this as possible in 12 or 24 hours.
- Newcomers
- Event village
- Age 18 & over
- Fixed time runs 2
- Fri 31 Oct - Sun 2 Nov
Black Beacon Mountain Races
- 100 mile ultra run
- Ultra run
- 50K ultra run
- Trail run