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 8 Nov
- £12-£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
- Tue 7 Oct
- £10
Firewalk Cardiff | Insole Court
Every adventure starts with a single step... Sign up and be part of the Firewalk at Insole Court, Cardiff in 2025.
- 1 day walking
- Sun 16 Nov
- £34.99
Cardiff Trail Half Marathon
If you’re looking to End the season with an unforgettable experience, look no further than the Cardiff Trail Half Marathon.
- 13.1 miles trail running
- Sun 1 Feb 2026
- £25-£35
The Cardiff 5K, 10K and Half Marathon Winter Warmer Run
A chance to lace up those shoes, get motivated, focus on training during winter and run this awesome 5k, 10k or half marathon running event with us.
- 5K run
- 10K run
- Half marathon
- Sat 9 May 2026
- £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