138
Half marathons in September 2025
Find half marathons in September 2025 - filter by date or location, display on a map or use the advanced search to find your perfect race.
Filter by month
Filter by place
London
South East
South West
East of England
East Midlands
West Midlands
Yorkshire
North East
North West
Scotland
Wales
Northern Ireland
Jersey
Europe
Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 28 Sep
Wiltshire, UK
Race on the Chase | Half Marathon
- 13.1 miles trail running + 1010 ft ascent
- Sun 28 Sep
Marlow, Berkshire, UK
The One on the Trail | Marlow | Half Marathon
- 13.1 miles multi terrain running
- Sun 28 Sep
Northwich, Cheshire, UK
Delamere Forest Wildwood Trail Series Half Marathon and 10K | Half Marathon
- 13.1 miles trail running + 840 ft ascent
- Sun 28 Sep
Stoke-on-Trent, Staffordshire, UK
Potters ’Arf Marathon | Half Marathon Run
- 13.1 miles road running