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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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- Sun 8 Mar
Eastbourne, East Sussex, UK
Eastbourne Half Marathon
- 13.1 miles road running + 166 m ascent
- Sun 15 Mar
Milton Keynes, Buckinghamshire, UK
Milton Keynes Festival of Running | Half Marathon
- 13.1 miles road running
- Sun 22 Mar
Herne Bay, Kent, UK
Run Whitstable & Herne Bay Spring 5K, 10K and Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 22 Mar
Milton Keynes, Buckinghamshire, UK
Twin Lakes 20 | 20 Mile
- 20 miles multi terrain running
- Sun 29 Mar
Arundel, West Sussex, UK
Springtide Half Marathon
- 13.5 miles trail running + 1175 ft ascent
- Fri 17 Apr
Staines, Surrey, UK
Midweek Medal Madness Run April | Half Marathon
- 13.1 miles trail running
- Sun 19 Apr
Basingstoke, Hampshire, UK
Dell 10K & Half Marathon | Half Marathon
- 13.1 miles trail running
- Sun 26 Apr
Farnham, Hampshire, UK
Bolt Round the Holt | Half Marathon
- 13.1 miles xc running + 1013 ft ascent
- Sun 3 May
Lancing, West Sussex, UK
Three Forts Challenge | Half Marathon
- 13.1 miles multi terrain running + 1455 ft ascent
- Sat 9 May
Windsor, Buckinghamshire, UK
The All Nations 5K, 10K and Half Marathon Run | Half Marathon
- 13.1 miles road running
- Sun 10 May
Reading, Berkshire, UK
Goring Gap Trails | Run - Half Marathon
- 13.1 miles trail running + 102 m ascent
- Sun 10 May
Polegate, East Sussex, UK
The Rathfinny Run 10.7K and Half Marathon | Half Marathon
- 21.4 km trail running
- Sat 16 May
Henley-on-Thames, Buckinghamshire, UK
London West Spartan Trifecta Weekend | Beast 21K
- 21 km multi terrain running
- Sat 23 May
Eastbourne, East Sussex, UK
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent
- Fri 29 May
Staines, Surrey, UK
Midweek Medal Madness | Leons Birthday Run | Half Marathon
- 13.1 miles road running