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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

PHOENIX - All Stars Blue

Dorking, Surrey
06 Jul 25
£22.00 - £39.95

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
13 Jul 25
£30.00 - £162.00
4.2

Midweek Medal Madness Run

Wraysbury Skiff & Punting Club, Egham, TW20 0AE
18 Jul 25
£27.00

Battersea Park Half Marathon

London
20 Jul 25
£37.00 - £162.00
4.8

Bright Skies Surrey Hills

Denbies Wine Estate, Bradley Lane, Dorking. RH5 6AA
20 Jul 25
£8.70 - £57.51
3.8

Richmond Park July 5k,10k and Half Marathon

London, Greater London
20 Jul 25
£22.00 - £25.00
4.4

PHOENIX Fridays - Fellowship of the Run Friday

Walton-on-Thames, Surrey
25 Jul 25
£26.00 - £33.00

RunThrough Wimbledon Common Half Marathon & 10k

London, Greater London
27 Jul 25
£32.00 - £162.00
4.9

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
27 Jul 25
£30.00 - £162.00
4.2

Midweek Chasing Numbers Aug 2025

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
01 Aug 25
£27.00

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
09 Aug 25
£30.00 - £162.00
4.2

Great British Bake Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
09 Aug 25
£27.00 - £35.00
4.5

PHOENIX - The Painted Cow Run

Dorking, Surrey
09 Aug 25
£22.00 - £39.95

PHOENIX - Prosecco Run

Dorking, Surrey
10 Aug 25
£22.00 - £39.95
5.0

Richmond Park Half Marathon

London
10 Aug 25
£42.00 - £182.00
4.4

Midweek Medal Madness Run August

Wraysbury Skiff & Punting Club, Egham, TW20 0AE
15 Aug 25
£27.00

Richmond Park August 5k, 10k and Half Marathon

London, Greater London
17 Aug 25
£22.00 - £25.00
4.4

You Crazy Fool Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
17 Aug 25
£27.00 - £35.00

LEE VALLEY VELOPARK 1 MILE, 5K, 10K, 10 MILE & HALF MARATHON

London, Greater London
23 Aug 25
Free - £122.00
4.6

PHOENIX - Summer Marathon & Half Marathon

Sunbury on Thames, Middlesex
23 Aug 25
£33.50

Will Run For Ice Cream - Wales

Dare Valley Country Park, Aberdare, CF44 7PS
30 Aug 25
£27.00 - £35.00

RunThrough Wimbledon Common Half Marathon & 10k

London, Greater London
07 Sep 25
£32.00 - £162.00
4.9

Richmond Park September 5k, 10k and Half Marathon

London, Greater London
07 Sep 25
£22.00 - £25.00
4.4

Run2Paris September 2025

London
10 Sep 25 - 14 Sep 25
£950.00

Midweek Chasing Numbers September

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
12 Sep 25
£27.00

Richmond Half Marathon @ Richmond RUNFEST

Richmond, Greater London
14 Sep 25
£35.00
5.0

Fraggle Run - Wales

Dare Valley Country Park, Aberdare, CF44 7PS
20 Sep 25
£27.00 - £35.00

Richmond Park Half Marathon

London
21 Sep 25
£42.00 - £182.00
4.4

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

Reigate, Surrey
21 Sep 25
£19.00 - £44.00

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
27 Sep 25
£30.00 - £162.00
4.2

Hever Castle Run Series

Edenbridge, Kent
28 Sep 25
£35.00 - £65.00
4.2

Offer

10% OFF

Street Child - Craft Half

London
28 Sep 25
£40.00

Windsor Half Marathon 2025

Windsor, Windsor and Maidenhead
28 Sep 25
£44.00 - £48.00
4.7

ATW Welwyn Half Marathon & 10k

Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XE
28 Sep 25
£30.74 - £39.22

Ealing Half Marathon

London, Greater London
28 Sep 25
£50.00

VICTORIA PARK 5K, 10K & HALF MARATHON

London
04 Oct 25
£28.00 - £162.00
4.7

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
04 Oct 25
£30.00 - £162.00
4.2

Thames Meander Autumn

Petersham & Ham Sea Scouts HQ, Douglas House Meadow, Richmond, TW10 7AH
05 Oct 25
£37.36 - £58.59
4.5

Kingston Half Marathon 2025

Kingston upon Thames, Greater London
05 Oct 25
£39.50
5.0

PHOENIX - King of the Rungle

Walton-on-Thames, Surrey
11 Oct 25
£22.00 - £40.00
Showing 81-120 of 163 results

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.