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Half Marathons Found in the South East

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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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London

Race Calendar: Half Marathons In the South East

🚀Boosted

Winchester Half Marathon

Winchester City Centre
Sun 20 Sep 26
£10.82 - £40.53
5.0
🚀Boosted

Wizz Air Ealing Half Marathon 2026

London
Sun 27 Sep 26
£50.63 - £52.63
🚀Boosted

Whitstable & Herne Bay 1.5k, 5k, 10k & Half Marathon MoRun

Herne Bay, Kent
Sat 07 Nov 26
£12.00 - £30.00
4.9

The Spy who loved me Marathons & Half Marathon

Milton Keynes, Buckinghamshire
Sat 03 Jul 27 - Sun 04 Jul 27
£36.99 - £42.99

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

World Cup 2026 Run

Thu 11 Jun 26 - Sun 19 Jul 26
£16.00

Offer

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The Railway Run Marathon, Half Marathon & 50km

Milton Keynes, Buckinghamshire
Sat 18 Jul 26
£39.99 - £49.99

Formula One Marathons, Half Marathon & 50km

Milton Keynes, Buckinghamshire
Sun 19 Jul 26
£42.99 - £46.99

Wind in the Pillows Marathons & Half marathon

Milton Keynes, Buckinghamshire
Sat 01 Aug 26
£34.99 - £42.99

Run the Wild Half Marathon - Autumn

Tring, Hertfordshire
Sat 10 Oct 26
£59.00
5.0

GBR Run Bexhill Remembrance Run

Bexhill on Sea, East Sussex
Sat 07 Nov 26
£7.50 - £30.00
4.7

Star Wars 50th Anniversary Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Sat 05 Jun 27
£42.99 - £49.99
Showing 241-252 of 252 results
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