1
Marathons in Cardiff in May 2026
Find marathons near me in Cardiff in May 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.
Filter by place
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 9 May 2026
Cardiff, UK
Radyr Trail Races: Half Marathon and Marathon | Marathon
- 26.2 miles trail running