5K runs in Wales
Find 5k 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 8 Nov
- £25-£30
Cardiff MoRun | 5K
MoRunning brings everyday people together with the focus being to inspire you, your family, your kids and your friends to have the best time running! Get ready for the 5K, Cardiff!
- Chip timing
- Enter online
- Flat
- All ages
- 5 km road 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 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
- 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
- Sun 21 Dec
- £27-£32
A Christmas Carol Bobble Hat 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 bobble hat, themed medal and goody bag at the finish!
- Enter online
- Age 12 & over
- 5 km road running
- 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
- £22-£27
Spice Up Your Run - Wales | 5K
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!
- Enter online
- Age 12 & over
- 5 km trail running + 249 ft ascent
- Sun 1 Mar 2026
- £22-£27
St Davids Day Dragon Run | 5K
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 12 & over
- 5 km trail running
- 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
- Sun 15 Mar 2026
- £24-£30
The Dashing Dog Charity Run - Wales | 5K
Come and join for Dashing Dog Charity run in the beautiful Dare Valley Country Park in Wales, not only is the scenery beautiful and you will earn one of the awesome medals...
- Enter online
- Age 12 & over
- 5 km road running + 135 ft ascent
- Sun 26 Apr 2026
- £22-£27
The Nearly But Not Quite London Marathon - Wales | 5K
Didn't get a ballot entry into The London Marathon 2026? Don't panic, come and run with Saturn Running instead!
- Enter online
- Age 12 & over
- 5 km trail running + 0 ft ascent
- Sat 15 Nov
Margam Park Trail Races | 5K
- 5.1 km trail running + 140 m ascent
- Sun 1 Feb 2026
The Cardiff 5K, 10K and Half Marathon Winter Warmer Run | 5K
- 5 km road running
- Sun 22 Mar 2026
Red Warrior Multi Terrain Races
- 5K run
- 10K run
- Multi-terrain run
- CaniCross 3
- Sat 11 Apr 2026
RTT Gower Trail Half Marathon & 10K | 5K
- 5 km trail running