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Flat Half marathons in UK
Find flat half marathons in UK in 2025/2026 - 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.
- Sat 9 May 2026
Windsor, Buckinghamshire, UK
The All Nations 5K, 10K and Half Marathon Run | Half Marathon
- 13.1 miles road running
- Sun 10 May 2026
Hereford, Herefordshire, UK
RUN Hereford | Half Marathon
- 13.1 miles road running + 81 m ascent
- Sat 23 May 2026
Eastbourne, East Sussex, UK
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent
- Sun 6 Sep 2026
Dawlish, Devon, UK
City to Sea | Half Marathon
- 13.1 miles trail running + 2100 ft ascent
- Sun 13 Sep 2026
Brockenhurst, Hampshire, UK
The Garmin New Forest Marathon | Half Marathon
- 13.1 miles multi terrain running + 150 ft ascent
- Sun 20 Sep 2026
Cleethorpes, Lincolnshire, UK
ABP Humber Coastal Half Marathon 10K & Family Fun Run | Half Marathon
- 13.1 miles multi terrain running + 187 ft ascent