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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.
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Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 14 Sep
Royston, Hertfordshire, UK
The Chas Avis Harvest Trail Half and Quarter Marathon | Half Marathon
- 13.1 miles trail running
- Sun 14 Sep
Stratford-upon-Avon, Warwickshire, UK
Stratford's Big 10K & Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 14 Sep
Kinlochleven, Highland, UK
Glencoe Marathon Gathering | Half Marathon
- 13.1 miles trail running
- Sun 14 Sep
Worcester, Worcestershire, UK
Worcester City Runs | Half marathon
- 13.1 miles road running + 178 ft ascent
- Sun 14 Sep
Ballater, Aberdeenshire, UK
Half BraemarAthon, 10K & 10 Miles | Half Marathon
- 13.1 miles road running + 199 m ascent
- Sun 14 Sep
Scarborough, North Yorkshire, UK
The East Coast Chuffer | Half Marathon
- 13.1 miles trail running + 269 ft ascent
- Sun 14 Sep
Dronfield, Derbyshire, UK
The INOV8 Big Dipper Half Marathon
- 13.1 miles road running + 1675 ft ascent
- Sun 14 Sep
Brockenhurst, Hampshire, UK
The Garmin New Forest Marathon | Half Marathon
- 13.1 miles multi terrain running + 150 ft ascent
- Sat 20 Sep
Bushmills, County Antrim, UK
Causeway Coast Marathon | Half Marathon CW
- 21 km trail running
- Sun 21 Sep
Tunbridge Wells, Kent, UK
Hospice Run | Half Marathon
- 13.1 miles road running + 1174 ft ascent