7
Half marathons in South East in September 2026
Find half marathons in South East 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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- Sat 12 Sep 2026
- £43-£45
Wadhurst, East Sussex, UK
Bewl Water Autumn | Half Marathon
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon course at the same venue was previously rated one of the top UK marathons.
- Chip timing
- Enter online
- Undulating
- Age 17-80
- 13.1 miles trail running + 710 ft ascent
- Sun 27 Sep 2026
- £31.50-£33.50
Windsor, Berkshire, UK
Windsor Half Marathon
An inspiring half marathon in Windsor Great Park, starting and finishing on the Long Walk with Windsor Castle as the backdrop - probably the most iconic of all road race finishes in the UK!
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 17 & over
- 13.1 miles road running + 167 m ascent
- Sun 13 Sep 2026
Dorking, Surrey, UK
Bacchus Wine Half Marathon
- 13.1 miles trail running + 1427 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
Winchester, Hampshire, UK
Winchester Half Marathon | Half Marathon
- 13.1 miles road running + 841 ft ascent