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Half Marathons Found In & Near Hertfordshire

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Half Marathons In & Near Hertfordshire 2024 - 2025

The most comprehensive list of Half Marathons in and near Hertfordshire in 2024 - 2025. 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

🚀Boosted

The Milton Keynes 5k, 10k and Half Marathon Winter Warmer Run

Milton Keynes
23 Feb 25
£22.00 - £25.00
4.0
🚀Boosted

Harrold-Odell Country Park - Bedfordshire. 10km, 25km & 50km Trail Races.

Bedford, Bedfordshire
08 Mar 25
£32.00 - £55.00

Jaws 50th Anniversary Marathons & Half Marathon

Milton Keynes, Buckinghamshire
05 Jul 25
£34.99 - £42.99

Richmond Park Half Marathon

London
06 Jul 25
£40.00 - £172.00
4.4

Chiltern Ridge Half Marathon

Aylesbury, Buckinghamshire
06 Jul 25
£32.00
4.3

Live Aid 40th Anniversary Marathon Half Marathon & 50km

Milton Keynes, Buckinghamshire
12 Jul 25 - 13 Jul 25
£34.99 - £42.99

Football League Original 12 Run

Milton Keynes, Buckinghamshire
02 Aug 25 - 03 Aug 25
£34.99 - £42.99

Richmond Park Half Marathon

London
10 Aug 25
£40.00 - £172.00
4.4

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

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

ATW Bedford Running Festival

Russell Park, The Embankment, Bedford MK40 3RH
06 Sep 25 - 07 Sep 25
£12.72 - £42.40

Coronation Scot Marathons & Half Marathon

Milton Keynes, Buckinghamshire
13 Sep 25 - 14 Sep 25
£34.99 - £42.99

Richmond Park Half Marathon

London
21 Sep 25
£38.00 - £172.00
4.4

ATW Welwyn Half Marathon & 10k

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

VICTORIA PARK 5K, 10K & HALF MARATHON

London
04 Oct 25
£28.00 - £152.00
4.7

BATTERSEA PARK RUNNING FESTIVAL

London
12 Oct 25
£7.00 - £152.00

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

London, Greater London
25 Oct 25
Free - £122.00
4.6

Richmond Park Half Marathon

London
26 Oct 25
£38.00 - £172.00
4.4

Wendover Woods Marathon, Half Marathon & 10k

Wendover Woods, Upper Icknield Way, Aston Clinton, HP22 5NQ
02 Nov 25
£6.65 - £48.96

Hertfordshire Half Marathon & 10k

Knebworth, Hertfordshire
02 Nov 25
£32.00 - £172.00
4.5

Enigma Fireworks Marathons & Half Marathons

Milton Keynes, Buckinghamshire
07 Nov 25 - 08 Nov 25
£34.99 - £43.99

VICTORIA PARK 5K, 10K & HALF MARATHON

London
08 Nov 25
£28.00 - £152.00
4.7

The One by the Canal

Watford, Hertfordshire
09 Nov 25
£35.00

Richmond Park Half Marathon

London
09 Nov 25
£38.00 - £172.00
4.4

Battersea Park Half Marathon

London
15 Nov 25
£37.00 - £162.00
4.8

FINSBURY PARK 5K, 10K & HALF MARATHON

London
30 Nov 25
£28.00 - £132.00
4.2

Gremlins Christmas Half & Marathons

Milton Keynes, Buckinghamshire
05 Dec 25 - 06 Dec 25
£34.99 - £42.99

VICTORIA PARK 5K, 10K & HALF MARATHON

London
13 Dec 25
£28.00 - £152.00
4.7

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

London, Greater London
20 Dec 25
Free - £122.00
4.6

The Christmas Die Hard Marathon & Half Marathon

Milton Keynes, Buckinghamshire
24 Dec 24
£44.99 - £49.99

Winter Enigma Marathons & Half Marathon

Milton Keynes, Buckinghamshire
04 Jan 25 - 05 Jan 25
£33.99 - £44.99

Battersea Park Half Marathon

London
27 Sep 25
£37.00 - £162.00
4.8
Showing 41-69 of 69 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.