Explore Cardiff
The Welsh capital has a growing reputation for being a centre of outdoor adventure. With a host of hills on its doorstep and based on the Severn Estuary, Cardiff is a dream location for triathletes, swimmers, walkers and anyone with a keen interest in exploring the great outdoors. Discover runs, rides, swims, walks, triathlons, challenges and other outdoor activities in and around Cardiff here.
Map view
- 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
- Sat 9 May
- £40-£50
Radyr Trail Races: Half Marathon and Marathon
Radyr Trail Half Marathon & Trail Marathon start in Wales' capital city, Cardiff but you'll soon feel a million miles away as you leave the hustle and bustle behind you for idyllic trails and scenery.
- Half marathon
- Marathon
- Wed 20 May
- £11-£13
SSAFA Cardiff 5K Road Race Series - Race 1
The SSAFA Cardiff 5K Road Race Series is entering its 27th year!
- 5 km road running
- Wed 3 Jun
- £11-£13
SSAFA Cardiff 5K Road Race Series - Race 2
The SSAFA Cardiff 5K Road Race Series is entering its 27th year!
- 5 km road running
- Wed 22 Jul
- £11-£13
SSAFA Cardiff 5K Road Race Series - Race 3
The SSAFA Cardiff 5K Road Race Series is entering its 27th year!
- 5 km road running
- Sun 6 Sep
- £9-£34
CDF 10K
The CDF 10K is an iconic and historic event, celebrating its 40 year anniversary in 2026!
- Fun run
- 10K run