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Half Marathons Found In & Near London

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Half Marathons In & Near London 2026 - 2027

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 2026 - 2027 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

South East

South East

Race Calendar: Half Marathons In & Near London

🚀Boosted

RUN Battersea Park Half Marathon Winter

Battersea Park next to the Bandstand - SW11 4NJ
Sun 08 Feb 26
£37.36
🚀Boosted

Richmond Half Marathon Winter

Old Deer Park - Richmond Upon Thames TW9 2SF
Sun 15 Feb 26
£41.51
🚀Boosted

RUN Battersea Park Half Marathon Spring

Battersea Park next to the Bandstand - SW11 4NJ
Sun 29 Mar 26
£33.11
🚀Boosted

Best Race Series x Adidas 2026 - The Endurance Test - Half Marathon

Battersea Park, London
Sun 12 Apr 26
£28.00

Richmond Park Half Marathon

Richmond, Surrey
Sun 09 Aug 26
£40.00
4.4

Midweek Medal Madness Run August 2026

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Fri 14 Aug 26
£18.00 - £27.00

Street Child - Craft Half & 10K

Richmond, Surrey
Sat 15 Aug 26
£25.00 - £40.00

I'm Not Throwing Away My Shot Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
Sat 15 Aug 26
£18.00 - £35.00

Lee Valley Velo Park - August

London, Greater London
Sat 15 Aug 26
£12.00 - £34.00
4.7

Wendover Woods Running Festival

Aylesbury, Buckinghamshire
Sat 22 Aug 26
£12.00 - £36.00

Run Dorney Lake Evening Runs 10k & 5k August

Windsor, Berkshire
Wed 26 Aug 26
£30.00 - £142.00
5.0

Henley River 10k, Half Marathon & Junior Race September 2026

Henley-on-Thames, Oxfordshire
Sat 05 Sep 26
£7.00 - £142.00
4.6

PHOENIX - Summer Marathon & Half Marathon

Walton-on-Thames, Surrey
Sat 05 Sep 26
£33.50
5.0

Richmond Park September 5k, 10k and Half Marathon

London, Greater London
Sun 06 Sep 26
£25.00 - £30.00
4.5

WIMBLEDON 10K & HALF MARATHON

London
Sun 06 Sep 26
£34.00 - £38.00
4.5

Midweek Chasing Numbers Sept 2026

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Fri 11 Sep 26
£18.00 - £27.00
5.0

Basildon Half Marathon

Basildon, Essex
Sun 13 Sep 26
£12.00 - £38.00
5.0

Richmond Park Half Marathon

Richmond, Surrey
Sun 20 Sep 26
£40.00
4.4

Run Reigate Half Marathon, 10k, 5k & Kids Race

Reigate, Surrey
Sun 20 Sep 26
£19.00 - £42.00
4.0

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

Windsor, Berkshire
Sat 26 Sep 26
£30.00 - £162.00
4.3

Battersea Park 10k & Half Marathon

London
Sat 26 Sep 26
£40.00

Ealing Half Marathon 2026

London
Sun 27 Sep 26
£45.37 - £47.37

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

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

Victoria Park Half Marathon, 10k & 5k

London
Sat 03 Oct 26
£30.00 - £38.00
4.7

Kingston Half Marathon 2026

Kingston upon Thames, Surrey
Sun 04 Oct 26
£44.50
5.0

RUN KENT HALF MARATHON, 10K & 5K

Tonbridge, Kent
Sun 04 Oct 26
£32.00 - £40.00
4.8

ATW Welwyn Half Marathon & 10k

Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XE
Sun 04 Oct 26
£30.74 - £39.22
5.0

Run the Wild Half Marathon - Autumn

Tring, Hertfordshire
Sat 10 Oct 26
£55.00
5.0

Hampton Court Palace Half Marathon Presented by Nuun

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

Chelmsford Marathon & Half Marathon

Central Park, Chelmsford, Essex, CM2 0FQ.
Sun 11 Oct 26
£40.08 - £72.60

Lee Valley Velo Park - October

London, Greater London
Sat 17 Oct 26 - Sat 24 Oct 26
£12.00 - £34.00
4.7

Richmond Park Half Marathon

Richmond, Surrey
Sun 18 Oct 26
£40.00
4.4

Henley Half Marathon

Henley-on-Thames, Oxfordshire
Sun 18 Oct 26
£10.00 - £40.00
4.9

BATTERSEA PARK RUNNING FESTIVAL

London
Sat 24 Oct 26
£12.00 - £47.00
4.5

Windsor Dorney Lakeside Half Marathon

Dorney Lake, Off Court Lane, Windsor, Berks, SL4 6QP
Sun 25 Oct 26
£36.21

Maidenhead Half Marathon

Maidenhead, Berkshire
Sun 25 Oct 26
£40.00
5.0

Richmond Half Marathon Autumn

Old Deer Park - Richmond Upon Thames TW9 2SF
Sun 01 Nov 26
£41.51

Hertfordshire Half Marathon & 10k

Knebworth, Hertfordshire
Sun 01 Nov 26
£40.00 - £212.00
4.5

PHOENIX - Lest We Forget

Walton-on-Thames, Surrey
Sat 07 Nov 26
£22.00 - £39.95
5.0

Victoria Park Half Marathon, 10k & 5k

London
Sat 07 Nov 26
£30.00 - £38.00
4.7

Remembrance Run 2026 - South

Wraysbury Skiff and Punting Club, Riverside, Egham, TW20 0AE
Sun 08 Nov 26
£22.00 - £37.00

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

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

Battersea Park Half Marathon

London
Sat 14 Nov 26
£40.00
4.6

The Hartfield Honey Run - 2026

Hartfield, East Sussex
Sun 15 Nov 26
£20.00 - £30.00
4.5
Showing 161-200 of 219 results
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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.

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