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Half marathons in South East
Find half marathons in South East in 2026/2027 - 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.
- Mon 4 May
- £40-£50
Milton Keynes, Buckinghamshire
MK Half Marathon
A popular, fast, scenic AIMS-certified race, with BARR Gold accreditation for outstanding race management featuring beautiful lakes, parks, and picturesque villages with the highest level of support.
- 13.1 miles road running + 518 ft ascent
- Sun 9 Aug
- £26.80-£32
Slough, Buckinghamshire
Burnham Beeches Half Marathon and 10K | Half Marathon
- 13.1 miles multi terrain running
- Sun 13 Sep
- £51-£53
Brockenhurst, Hampshire
New Forest Marathon | Half Marathon
- 13.1 miles multi terrain running + 150 ft ascent
- Sat 3 Oct
- £44-£46
Lewes, East Sussex
Dark Downs Half Marathon
- 13.8 miles trail running + 1686 ft ascent
- Sun 4 Oct
- From £30.40
Basingstoke, Hampshire
Destination Basingstoke Phillips Law Half Marathon, 10K & 5K | Half Marathon
- 13.1 miles road running + 872 ft ascent
- Sun 4 Oct
- £35
Stockbridge, Hampshire
Clarendon Marathon | Half Marathon
- 13 miles multi terrain running