Running & Marathons in Cardiff
17 upcoming running & marathons events
Showing 17 of 17 events
Quantock Hills Trail Half Marathon!
📍 Kilve Court - SSE Outdoors Kilve
From £39.50
SOLD OUTCardiff Half Marathon 2026
📍 Cardiff Castle
Sold out at source
SOLD OUTRun Cardiff Half for The Little Princess Trust 2026
📍 Cardiff Castle
Sold out at source
Selworthy Stargazer
📍 Tank Tracks
From £21.00
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North Coast 110 / Exmoor Coast Ultra
📍 South West Coast Path Monument (Finish)
Fun Run with Santa - Mini Athletics SE Wales
📍 Cardiff Metropolitan University - Cyncoed Campus
£4.00 - £12.50
Santa Run - Wales
📍 Dare Valley Country Park
From £12.00
Brecon to Cardiff Xtreme & Taff Xtreme Marathon
📍 Coleg y Cymoedd
£50.00 - £90.00
Brecon to Cardiff Classic
📍 Coleg y Cymoedd
From £85.00
Childrens St Davids Day Dragon Run 2027 - Wales
📍 Dare Valley Country Park
From £12.00
Steaming to the Coast
📍 West Somerset Railway – Minehead Station
£40.00 - £65.00
Beacon to Beach
£21.00 - £25.00
Welsh Festival Of Running - 100 Mile Challenge (Individual & Team)
📍 Dare Valley Country Park
£120.00 - £130.00
Welsh Festival Of Running - Pure24
📍 Dare Valley Country Park
£34.00 - £120.00
Welsh Festival Of Running - 50 Mile Challenge (Individual & Team)
📍 Dare Valley Country Park
£57.00 - £80.00
Black Cattle Ultra Gwartheg Duon
📍 Cardiff Harlequins Rfc
Cardiff Half Marathon 2027
More Sports & Fitness in Cardiff
Running & Marathons in Nearby Cities
Running & Marathons in Cardiff — Guide
Running and marathons events in Cardiff are a fantastic way to experience the city's spirit of community and health. They draw runners from all levels—beginners looking to challenge themselves for the first time, seasoned athletes aiming for personal bests, and everyone in between who enjoys the sense of camaraderie that comes with the sport. Race day sees participants line up at a dedicated sports venue or an open street course, cheering each other on as they push through miles together.
These events happen regularly throughout the year, often with multiple marathons taking place within months. The courses vary from city centre routes to scenic park trails, ensuring there's something for every runner. Expect to find yourself in a mix of urban and natural settings, with participants wearing athletic gear and carrying water bottles as they navigate through various terrains.