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5K runs in South Wales in Winter
Find 5k runs in South Wales in Winter - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 20 Dec
- £9
Aberdare, Mid Glamorgan, UK
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
Aberdare, Mid Glamorgan, UK
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
- Sat 24 Jan 2026
- £22-£27
Aberdare, Mid Glamorgan, UK
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 Feb 2026
Cardiff, UK
The Cardiff 5K, 10K and Half Marathon Winter Warmer Run | 5K
- 5 km road running