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 21 Sep
Winchester, Hampshire, UK
Winchester Half Marathon | Half Marathon
- 13.1 miles road running + 841 ft ascent
- Sun 21 Sep
Jersey, Jersey
El Classico Trail Half Marathon & 10K | Half Marathon
- 13.1 miles trail running + 1498 ft ascent
- Sun 21 Sep
Market Harborough, Leicestershire, UK
Clipston Trail | Half Marathon
- 13.1 miles trail running + 1000 ft ascent
- Sun 21 Sep
Cheltenham, Gloucestershire, UK
Run Cheltenham | Half Marathon
- 13.1 miles road running + 352 ft ascent
- Sun 21 Sep
Redcar, North Yorkshire, UK
Redcar Running Festival | Redcar Half Marathon
- 13.1 miles road running
- Sun 21 Sep
St. Neots, Cambridgeshire, UK
Ouse Valley Way Marathon | Half Marathon
- 13.1 miles multi terrain running
- Sun 21 Sep
Cleethorpes, Lincolnshire, UK
ABP Humber Coastal Half Marathon 10K & Family Fun Run | Half Marathon
- 13.1 miles multi terrain running + 187 ft ascent
- Sun 21 Sep
Morecambe, Lancashire, UK
Morecambe Marathon, Half Marathon and 10K | Half Marathon
- 13.1 miles road running
- Sat 27 Sep
Otley, West Yorkshire, UK
Yorkshire Reservoir Dogs Trail Race & Ultramarathon | 13 Mile
- 13 miles trail running + 1400 ft ascent
- Sun 28 Sep
Shrewsbury, Shropshire, UK
The Pareto FM Shrewsbury Half & Metric Half Marathon | Half Marathon
- 13.1 miles road running