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Half marathons in UK in September 2026
Find half marathons in UK in September 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 13 Sep
- £32.40-£38
Northampton, Northamptonshire
TrailFest - Holdenby House | Half Marathon
- 13.1 miles trail running
- Sun 13 Sep
- £35-£37
Stratford-upon-Avon, Warwickshire
Stratfords Big 10K & Half Marathon | Half Marathon
- 13.1 miles road running + 255 ft ascent
- Sun 13 Sep
- £35
Beaumaris, Isle of Anglesey
Beaumaris Run Fest Weekend | Half Marathon
- 13.1 miles road running
- Sun 13 Sep
- £12-£26.50
Keighley, West Yorkshire
33rd Yorkshireman Off Road Marathon & Half Marathon | Half Marathon
- 14.8 miles fell running + 1750 ft ascent
- Sun 13 Sep
- £51-£53
Brockenhurst, Hampshire
The Garmin New Forest Marathon | Half Marathon
- 13.1 miles multi terrain running + 150 ft ascent
- Sun 20 Sep
- £45-£50
Belfast, County Antrim
The Phoenix Energy Belfast City Half Marathon
- 13.1 miles road running
- Sun 20 Sep
- £27-£36
Cleethorpes, Lincolnshire
ABP Humber Coastal Half Marathon 10K & Family Fun Run | Half Marathon
- 13.1 miles multi terrain running + 187 ft ascent
- Sun 27 Sep
- £33.50-£42.50
Redcar, North Yorkshire
Redcar Running Festival | Redcar Half Marathon
- 13.1 miles road running
- Sun 27 Sep
- £34-£36
Coleford, Gloucestershire
The Forest of Dean Autumn Half Marathon
- 13.1 miles multi terrain running + 800 ft ascent