Half marathons in Wales in Autumn
Find half marathons in Wales in Autumn - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by place
Filter by date
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- 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
- £39.99-£51.99
Anglesey Trail Half Marathon
Anglesey's most beautiful trail half, set in the stunning surroundings of Newborough Forest and Traeth Llanddwyn, which once hosted the Commonwealth Mountain and Ultra Distance Running Championships.
- 21.1 km trail running + 159 m ascent
- Sun 1 Nov
- £25-£35
Cardiff MoRun | Half Marathon
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 for the half marathon, Cardiff!
- 13.1 miles road running
- Sat 28 Nov
- £35-£60.50
Loggerheads Half Marathon
Take on a scenic, looped, North Wales trail challenge with varied terrain, lots of support through Loggerheads Country Park, and the option to race solo or in a three-person relay.
- 13.1 miles trail running
- Sun 13 Sep
- £35
Beaumaris Run Fest Weekend | Half Marathon
- 13.1 miles road running
- Sun 4 Oct
- £40-£42
Bangor City 10K & Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 15 Nov
- £42-£44
Conwy Half Marathon | Half Marathon
- 13.1 miles road running + 1247 ft ascent