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Half Marathons Found In & Near Hertfordshire

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Half Marathons In & Near Hertfordshire 2026 - 2027

The most comprehensive list of Half Marathons in and near Hertfordshire in 2026 - 2027. Find your perfect race!

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


Race Calendar: Half Marathons In & Near Hertfordshire

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RUN Battersea Park Half Marathon

Battersea Park next to the Bandstand - SW11 4NJ
Sun 15 Nov 26
£41.60
4.6
🚀Boosted

Kingston Half Marathon

Kingston upon Thames, Surrey
Sun 22 Nov 26
£40.45
🚀Boosted

Battersea Park Half Marathon - Winter

Battersea Park next to the Bandstand - SW11 4NJ
Sun 31 Jan 27
£41.60
4.6
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Hampton Court Half Marathon 2027

Thames Ditton, Surrey
Sun 14 Feb 27
£39.50
4.4

Formula One Marathons, Half Marathon & 50km

Milton Keynes, Buckinghamshire
Sat 17 Jul 27 - Sun 18 Jul 27
£36.99 - £42.99

Victoria Park Half Marathon, 10k & 5k

London
Sat 31 Jul 27
£30.00 - £38.00
4.7

Premier League Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Sat 07 Aug 27
£38.99 - £42.99

Thames Meander Summer

London, Greater London
Sun 08 Aug 27
£39.48 - £60.71
5.0

Premier League Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Sun 08 Aug 27
£39.99 - £42.99

Richmond Park Half Marathon & 10K

Richmond, Surrey
Sun 15 Aug 27
£40.00
4.4

Lee Valley Velo Park

London, Greater London
Sat 28 Aug 27
£11.00 - £34.00
4.7

Gameboy Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Sat 04 Sep 27
£36.99 - £42.99

Gameboy Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Sun 05 Sep 27
£36.99 - £42.99

Richmond Park Half Marathon & 10K

Richmond, Surrey
Sun 19 Sep 27
£40.00
4.4

Battersea Park 5k, 10k & Half Marathon

London
Sat 25 Sep 27
£36.00 - £42.00
4.8

Wizz Air Ealing Half Marathon 2027

London
Sun 26 Sep 27
£44.21 - £46.32

Victoria Park Half Marathon, 10k & 5k

London
Sat 09 Oct 27
£30.00 - £38.00
4.7

Millennium Falcon Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Sat 16 Oct 27 - Sun 17 Oct 27
£39.99 - £51.99

Lee Valley Velo Park

London, Greater London
Sat 30 Oct 27
£11.00 - £34.00
4.7

Richmond Park Half Marathon & 10K

Richmond, Surrey
Sun 31 Oct 27
£40.00
4.4

Hertfordshire Half Marathon & 10k

Knebworth, Hertfordshire
Sun 07 Nov 27
£33.00 - £38.00
4.5

Richmond Park Half Marathon & 10K

Richmond, Surrey
Sun 14 Nov 27
£40.00
4.4

Battersea Park 5k, 10k & Half Marathon

London
Sat 20 Nov 27
£36.00 - £42.00

Finsbury Park 5k, 10k, Half Marathon & Junior Run

London
Sun 28 Nov 27
£11.00 - £34.00
4.3

Battersea Park 5k, 10k & Half Marathon

London
Sat 04 Dec 27
£36.00 - £42.00

Victoria Park Half Marathon, 10k & 5k

London
Sat 11 Dec 27
£30.00 - £38.00
4.7

Richmond Park Half Marathon & 10K

Richmond, Surrey
Sun 12 Dec 27
£40.00
4.4

Lee Valley Velo Park

London, Greater London
Sat 18 Dec 27
£11.00 - £34.00
4.7

Zombie Run Virtual Challenge

London
Fri 16 Oct 26 - Fri 15 Oct 27
£19.95

London 1.5k, 5k, 10k and Half Marathon MoRun

London
Sun 08 Nov 26
£15.00 - £35.00
5.0

RUN Victoria Park Half Marathon Autumn

Victoria Park, E9 5HT
Sun 29 Nov 26
£41.60

Gremlins Christmas Marathons & Half Marathons

Milton Keynes, Buckinghamshire
Fri 04 Dec 26 - Sun 06 Dec 26
£49.99 - £59.99

Die Hard Christmas Jumpers Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Thu 24 Dec 26
£49.99 - £59.99
4.0

Star Wars 50th Anniversary Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Sat 05 Jun 27
£49.99 - £59.99
Showing 81-110 of 110 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 the South East or South West of England if you’re willing and able to travel a bit further. If you’re in the Hertfordshire area but fancy something a bit shorter then check out our Hertfordshire 10k Runs page. If you’re happy to travel or you want to build a race into a trip away then check out our UK-wide Half Marathons calendar and you can refine and filter your search from there.