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Half Marathons Found in the South East
View all ↓Half Marathons In the South East 2026 - 2027
The most comprehensive list of Half Marathons in the South East in 2026 - 2027 and South of England including Half Marathons in London, Southampton, Oxford, Reading, Portsmouth, Brighton and Slough. Find your perfect race!
Top Tip: Viewing this page in the default “Featured view” will show you all the Best Half Marathons in and around the South East. If you’re ready to set yourself a challenge right now then switching to “Bookable view” will show you those that can be booked instantly and securely through Find A Race. Guarantee your place today and get training :-)
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Race Calendar: Half Marathons In the South East
🚀Boosted
Independence Weekend Runs: 5k, 10k, Half, Full & Ultra Marathons
Winchester, Hampshire
Sat 04 Jul 26 - Sun 05 Jul 26
£39.95
🚀Boosted
Ealing Half Marathon 2026
London
Sun 27 Sep 26
£50.63 - £52.63
Hastings Half Marathon
West Marina Gardens, Sea Rd, Grosvenor Cres, Saint Leonards-on-sea TN38 0BX
Sun 21 Mar 27
£7.61 - £51.62
Surrey Half Marathon, 5k & Junior Race
Woking, Surrey
Sun 21 Mar 27
£17.00 - £43.00
5.0
The Enigma Easter Series
Milton Keynes, Buckinghamshire
Fri 26 Mar 27 - Sat 27 Mar 27
£37.99 - £44.99
5.0
Battersea 5k, 10k & Half Marathon
London
Sat 27 Mar 27
£34.00 - £40.00
Kew The Run: Half Marathon 2027
Richmond, Greater London
Sun 04 Apr 27
£30.00
4.4
Henley River Half Marathon, 10k & Junior Race
Henley-on-Thames, Oxfordshire
Sat 10 Apr 27
£12.00 - £37.00
4.6
PHOENIX - NOT the London Marathon Run 2027
Walton-on-Thames, Surrey
Sun 25 Apr 27
£39.95
5.0
Worthing Runfest Half Marathon & 10K 2027
Worthing, West Sussex
Sun 02 May 27
£35.50 - £40.50
4.8
Collingbourne Races
Crawlboys farm, Ludgershall, SP11 9PR
Sat 08 May 27
£32.04 - £42.66
4.7
Goring Gap Trails Festival
Reading, Oxfordshire
Sat 22 May 27 - Sun 23 May 27
£38.00 - £82.00
Star Wars 50th Anniversary Marathon & Half Marathon
Milton Keynes, Buckinghamshire
Sat 05 Jun 27
£42.99 - £49.99
Star Wars 50th Anniversary Marathon & Half Marathon
Milton Keynes, Buckinghamshire
Sun 06 Jun 27
£42.99 - £49.99
Henley River Half Marathon, 10k & Junior Race
Henley-on-Thames, Oxfordshire
Sat 04 Sep 27
£12.00 - £37.00
4.6
Hampton Court Palace Running Festival Presented by Voltarol
East Molesey, Greater London
Sun 17 Oct 27
£42.00 - £47.00
4.2
Hertfordshire Half Marathon & 10k
Knebworth, Hertfordshire
Sun 07 Nov 27
£33.00 - £38.00
4.5
Run Gatwick Half Marathon & 5k
Crawley, West Sussex
Sun 21 Nov 27
£26.00 - £36.00
5.0
Formula One Marathons, Half Marathon & 50km
Milton Keynes, Buckinghamshire
Sun 19 Jul 26
£42.99 - £46.99
Top Gun 40th Anniversary Marathons & Half Marathons
Milton Keynes, Buckinghamshire
Sat 17 Oct 26 - Sun 18 Oct 26
£39.99 - £52.99
GBR Run Bexhill Remembrance Run
Bexhill on Sea, East Sussex
Sat 07 Nov 26
£7.50 - £30.00
4.7
Autumn Feisty Phoenix Day 2
Winchester, Hampshire
Sun 15 Nov 26
£33.95
Showing 241-260 of 260 results