10K runs in South Wales
Find 10k runs in South Wales in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by date
This week
This weekend
Next week
Next weekend
Nov
Dec
Jan
Feb
Mar
Apr
May
Jul
Autumn
Winter
Spring
Summer
Filter by place
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 8 Nov
- £25-£30
Cardiff MoRun | 10K
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 10K, Cardiff!
- Chip timing
- Enter online
- Flat
- All ages
- 10 km road running
- 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
- Sun 21 Dec
- £27-£32
A Christmas Carol Bobble Hat 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 bobble hat, themed medal and goody bag at the finish!
- Enter online
- Age 16 & over
- 10 km road 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!
- 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
- Sun 15 Mar 2026
- £24-£30
The Dashing Dog Charity Run - Wales | 10K
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 16 & over
- 10 km road running + 135 ft ascent
- 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 8 Nov
EnduranceLife - Gower | 10K
- 10 km trail running + 583 ft ascent
- Sat 15 Nov
Margam Park Trail Races | 10K
- 10.2 km trail running + 420 m ascent
- Sun 1 Feb 2026
The Cardiff 5K, 10K and Half Marathon Winter Warmer Run | 10K
- 10 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 | 10K
- 10 km trail running
- Sun 10 May 2026
Bryn Meadows Caerphilly 10K & Caerphilly 2K | 10K
- 10 km road running