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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 :-)


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Race Calendar: Half Marathons In & Near London

PHOENIX - 2 Weird 2 Run

Walton-on-Thames, Surrey
25 Aug 25
£22.00 - £40.00

PHOENIX - Summer Sun - Day 1

Gravesend, Kent
29 Aug 25
£39.95

PHOENIX - Summer Sun - Day 2

Gravesend, Kent
30 Aug 25
£39.95

PHOENIX - Summer Sun - Day 3

Gravesend, Kent
31 Aug 25
£39.95

PHOENIX - Summer Sun - Day 4

Gravesend, Kent
01 Sep 25
£39.95

PHOENIX - Summer Sun - Day 5

Gravesend, Kent
02 Sep 25
£39.95

PHOENIX - Summer Sun - Day 6

Gravesend, Kent
03 Sep 25
£39.95

PHOENIX - Summer Sun - Day 7

Gravesend, Kent
04 Sep 25
£39.95

PHOENIX - Summer Sun - Day 8

Gravesend, Kent
05 Sep 25
£39.95

PHOENIX - Summer Sun - Day 9

Gravesend, Kent
06 Sep 25
£39.95

The Shere 42k, Half Marathon & 10k

Shere Recreation Ground, Upper Street, Shere, Surrey, GU5 9JF
06 Sep 25
£27.50 - £80.00
4.5

Richmond Park September 5k, 10k and Half Marathon

London, Greater London
07 Sep 25
£25.00 - £30.00
4.4

PHOENIX - Summer Sun - Day 10

Gravesend, Kent
07 Sep 25
£39.95

RunThrough Wimbledon Common Half Marathon & 10k

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

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
£18.00 - £27.00
5.0

PHOENIX Fridays - Flying Feet Friday 2025

Walton-on-Thames, Surrey
19 Sep 25
£26.00 - £33.00

PHOENIX - Seahorse Run 2025

Walton-on-Thames, Surrey
20 Sep 25
£22.00 - £40.00

Fraggle Run - Wales

Dare Valley Country Park, Aberdare, CF44 7PS
20 Sep 25
£18.00 - £35.00

PHOENIX - Bumblebee Run 2025

Walton-on-Thames, Surrey
21 Sep 25
£22.00 - £40.00

Fraggle Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
21 Sep 25
£18.00 - £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

PHOENIX Fridays - The Run and Only Friday 2025

Walton-on-Thames, Surrey
26 Sep 25
£26.00 - £33.00

Battersea Park Half Marathon Presented by TREK

London
27 Sep 25
£40.00 - £182.00
4.8

Romp Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
27 Sep 25
£18.00 - £35.00

PHOENIX - Hot Lips Run

Walton-on-Thames, Surrey
27 Sep 25
£22.00 - £40.00

RUN DORNEY 5K, 10K & HALF MARATHON

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

Street Child - Craft Half

London
28 Sep 25
£40.00

Hever Castle Run Series

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

Offer

10% OFF

Ealing Half Marathon

London, Greater London
28 Sep 25
£50.00

ATW Welwyn Half Marathon & 10k

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

Richmond Park Half Marathon

Richmond Park, Sheen Gate Car Park Area. TW10 5HT
28 Sep 25
£53.28

Windsor Half Marathon 2025

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

PHOENIX - Space Race - 2025

Walton-on-Thames, Surrey
28 Sep 25
£22.00 - £40.00

Midweek Chasing Numbers Oct 2025

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
03 Oct 25
£18.00 - £27.00
5.0

PHOENIX Fridays - Frisky Phoenix Friday 2025

Walton-on-Thames, Surrey
03 Oct 25
£26.00 - £33.00

RUN DORNEY 5K, 10K & HALF MARATHON

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

VICTORIA PARK 5K, 10K & HALF MARATHON

London
04 Oct 25
£28.00 - £162.00
4.7

Thames Meander Autumn

Petersham & Ham Sea Scouts HQ, Douglas House Meadow, Richmond, TW10 7AH
05 Oct 25
£37.36 - £58.59
4.5
Showing 41-80 of 156 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.