Flat Road runs in South Wales
Find flat road runs in South Wales in 2026/2027 - 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 30 May
- £14-£34
Rocky at 50 Run | Wales
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 6 Jun
- £25-£35
Conquer Cardiff Summer
It's time to conquer the Cardiff Summer 5K, 10K or Half Marathon, have a morning out with family, friends, or colleagues, and enjoy the stunning Bute Park, then receive your superb medal!
- 5K run
- 10K run
- Half marathon
- Sun 4 Oct
- £5-£60
Oysho Cardiff Half
An iconic road race around Wales' capital offering a flat course from the castle to the marina and over the Cardiff Bay barrage!
- 13.1 miles road running + 81 m ascent
- Sun 1 Nov
- £8-£35
Cardiff MoRun
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, Cardiff!
- Fun run
- 5K run
- 10K run
- Half marathon
- Sun 10 May
- £22-£25
Bryn Meadows Caerphilly 10K & Caerphilly 2K | 10K
- 10 km road running
- Sun 5 Jul
- £32-£34
Porthcawl 10K and Junior Races | 10K
- 10 km road running