5
Half marathons in Wales in October 2025
Find half marathons near me in Wales in October 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.
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- Sun 5 Oct
- FREE-£45
Cardiff, South Glamorgan, UK
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!
- Families
- Carbon offset
- Wheelchair users
- Recycling
- Entertainment
- Music
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Fancy dress
- Event village
- Urban
- Coast
- Sustainability policy
- Public transport links
- Age 17 & over
- 13.1 miles road running + 81 m ascent
- Sat 18 Oct
- £22-£35
Aberdare, Mid Glamorgan, UK
Scare Bear Run - Wales | Half Marathon
Come and join Saturn Too for our spooky Scare Bear Run!
- Enter online
- Age 17 & over
- 13.1 miles road running
- Sun 5 Oct
Bangor, Gwynedd, UK
Bangor City 10K & Half Marathon | Half Marathon
- 13.1 miles road running
- Sat 18 Oct
Port Talbot, West Glamorgan, UK
Afan forest Half Marathon and 10K | Half Marathon
- 13.1 miles trail running
- Sun 19 Oct
Llanwrtyd Wells, Powys, UK
Ron Skilton Memorial Half Marathon | Half Marathon
- 13 miles trail running