Half Marathons Found In & Near London
View all ↓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
Richmond Half Marathon Autumn
Old Deer Park - Richmond Upon Thames TW9 2SFRUN Battersea Park Half Marathon
Battersea Park next to the Bandstand - SW11 4NJKingston Half Marathon
Kingston upon Thames, SurreyMidweek Chasing Numbers May 2026
Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AARun Dorney Lake Half Marathon, 10k & 5k - May
Windsor, BerkshireBank Holiday Madness May 2026
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SUThe All Nations 5k, 10k and Half Marathon Run
Windsor, BerkshireThe Spring Lucky Dip Run 2026
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SURocky at 50 Run
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SUWimbledon Half Marathon
LondonMidweek Medal Madness - Leon's Birthday Run!
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SUCircuit du Sore Legs
Wodson Park Sports Centre, Ware, Herts, SG12 0UQRun Dorney Lake Half Marathon, 10k & 5k - June
Windsor, BerkshireWeybridge 5k, 10k, Half Marathon & Junior Race
Walton-on-Thames, SurreyATW St Albans Half Marathon #icelollyrun
Verulamium Park, St Albans AL1 2DLLee Valley Velo Park - June
London, Greater LondonRun Dorney Lake Half Marathon, 10k & 5k - July
Windsor, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - July
Windsor, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - August
Windsor, BerkshireLee Valley Velo Park - August
London, Greater LondonRun Dorney Lake Evening Runs 10k & 5k August
Windsor, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - September
Windsor, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - October
Windsor, BerkshireHampton Court Palace Half Marathon Presented by Nuun
East Molesey, Greater LondonLee Valley Velo Park - October
London, Greater LondonRun Dorney Lake Half Marathon, 10k & 5k - November
Windsor, BerkshireRun Dorney Lake Half Marathon, 10k & 5k - December
Windsor, BerkshireLee Valley Velo Park - December
London, Greater LondonZodiac Run
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VICTORIA PARK 5K, 10K & HALF MARATHON
LondonKingston Half Marathon 2025
Kingston upon Thames, Greater LondonPHOENIX - Pink Flamingo Run
Walton-on-Thames, SurreyRiver Thames Half Marathon 2025
Walton-on-Thames, SurreyPHOENIX - Butterfly Run
Walton-on-Thames, SurreyRelated 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.