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Half Marathons Found In & Near London

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Half Marathons In & Near London 2025 - 2026

The London running scene has never been more alive. Running crews, clubs and a ton of races: and half marathons are one of the most popular distance events.

The findarace.com calendar lists over 100 half marathon races in and around London every year. Check out our comprehensive 2025 - 2026 London half marathon race calendar below: you’ll find a race that’s perfect for you.

Top Tip: Viewing this page in the default “Featured view” will show you all the Best Half Marathons in London. 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 :-)


Popular & Featured

Race Calendar: Half Marathons In & Near London

🚀Boosted

Richmond Half Marathon Autumn

Old Deer Park - Richmond Upon Thames TW9 2SF
Sun 02 Nov 25
£41.51
🚀Boosted

RUN Battersea Park Half Marathon

Battersea Park next to the Bandstand - SW11 4NJ
Sun 16 Nov 25
£35.24
🚀Boosted

Kingston Half Marathon

Kingston upon Thames, Surrey
Sun 23 Nov 25
£39.39

Run Dorney Lake Half Marathon, 10k & 5k - October

Windsor, Berkshire
Sat 03 Oct 26
£30.00 - £162.00
4.3

Hampton Court Palace Half Marathon Presented by Nuun

East Molesey, Greater London
Sun 11 Oct 26
£47.00 - £212.00
4.2

Lee Valley Velo Park - October

London, Greater London
Sat 24 Oct 26
£12.00 - £34.00
4.6

Run Dorney Lake Half Marathon, 10k & 5k - November

Windsor, Berkshire
Sun 08 Nov 26
£30.00 - £162.00
4.3

Run Dorney Lake Half Marathon, 10k & 5k - December

Windsor, Berkshire
Sat 12 Dec 26
£30.00 - £162.00
4.3

Lee Valley Velo Park - December

London, Greater London
Sat 19 Dec 26
£12.00 - £142.00
4.6

Zodiac Run

Thu 02 Jan 25 - Wed 31 Dec 25
£10.00

Offer

Thanks for booking a Running Bug event through findarace.com - 10% OFF

PHOENIX - Pink Flamingo Run

Walton-on-Thames, Surrey
Sat 25 Oct 25
£22.00 - £40.00

Epping Forest Wildwood Trail Series Half Marathon & 10K

London
Sat 25 Oct 25
£27.00 - £37.00

River Thames Half Marathon 2025

Walton-on-Thames, Surrey
Sun 26 Oct 25
£39.00
4.5

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
Sun 09 Nov 25
£30.00 - £142.00
4.3

PHOENIX - Butterfly Run

Walton-on-Thames, Surrey
Sat 15 Nov 25
£22.00 - £40.00
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Related Pages on Find A Race

If you still haven’t found what you’re looking for here are a few suggestions: broaden your search and take a look at Half Marathons in the South East. We also list Half Marathons in and around Slough, Reading, Oxford, Cambridge and Brighton. If you’re in the London area but fancy something a bit shorter then check out our London 10k Runs page: and of course we also have a London Marathons list if you are looking to step up the distance. If you’re happy to travel or you want to build a race into a trip away then check out our national Half Marathons calendar and you can refine and filter your search from there.