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Half Marathons Found In & Near Hertfordshire
View all ↓Half Marathons In & Near Hertfordshire 2025 - 2026
The most comprehensive list of Half Marathons in and near Hertfordshire in 2025 - 2026. Find your perfect race!
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Race Calendar: Half Marathons In & Near Hertfordshire
Run the Thames Bridges - half marathon
London
Fri 16 Feb 24 - Wed 31 Dec 25
£17.00 - £24.00
5.0
Run the Ghost Tubes - Half Marathon & 10K
London
Tue 01 Oct 24 - Wed 31 Dec 25
£14.00 - £17.00
5.0
Henry VIII's Wives Half Marathon
London
Tue 01 Jul 25 - Wed 31 Dec 25
£17.00
Rocket Around The Running Track - 12 hour challenge
Wodson Park Sports Centre, Ware, Herts, SG12 0UQ
Sat 01 Nov 25
£57.50
Catherine Wheel Canter - 5k, 10k, Half, Full & Ultra Marathon
Wodson Park Sports Centre, Ware, Herts, SG12 0UQ
Sat 01 Nov 25
£25.00 - £37.50
Guy Fawkes Gallop - 5k, 10k, half marathon, full marathon & 50k Ultra
Wodson Park Sports Centre, Ware, Herts, SG12 0UQ
Sat 01 Nov 25
£25.00 - £37.50
Hertfordshire Half Marathon & 10k
Knebworth, Hertfordshire
Sun 02 Nov 25
£40.00 - £212.00
4.5
Wendover Woods Marathon, Half Marathon & 10k
Wendover Woods, Upper Icknield Way, Aston Clinton, HP22 5NQ
Sun 02 Nov 25
£7.68 - £48.96
Richmond Half Marathon Autumn
Old Deer Park - Richmond Upon Thames TW9 2SF
Sun 02 Nov 25
£41.51
ATW Bedford 10k & Half Marathon
Russell Park, Bedford, Bedfordshire, MK40 3RH
Sun 02 Nov 25
£30.74 - £39.22
Enigma Fireworks Marathons & Half Marathons
Milton Keynes, Buckinghamshire
Fri 07 Nov 25 - Sat 08 Nov 25
£34.99 - £43.99
VICTORIA PARK 5K, 10K & HALF MARATHON
London
Sat 08 Nov 25
£28.00 - £162.00
4.7
Dirt Half Challenge
Cedars Upper School, Mentmore Road, Leighton Buzzard, Bedfordshire, LU7 2AE.
Sat 08 Nov 25
£35.47
5.0
Richmond Park Half Marathon
London
Sun 09 Nov 25
£42.00 - £182.00
4.4
The One by the Canal
Watford, Hertfordshire
Sun 09 Nov 25
£35.00
4.5
Battersea Park Half Marathon
London
Sat 15 Nov 25
£42.00 - £182.00
4.6
RUN Battersea Park Half Marathon
Battersea Park next to the Bandstand - SW11 4NJ
Sun 16 Nov 25
£35.24
ATW Wendover Woods Trail Run & Canicross
Wendover Woods, Upper Icknield Way, Aston Clinton, Aylesbury, HP22 5NQ
Sun 23 Nov 25
£20.98 - £38.46
FINSBURY PARK 5K, 10K & HALF MARATHON
London
Sun 30 Nov 25
£30.00 - £142.00
4.3
The One in the Park - Richmond - November
Richmond
Sun 30 Nov 25
£26.00 - £35.00
5.0
Gremlins Christmas Half & Marathons
Milton Keynes, Buckinghamshire
Fri 05 Dec 25 - Sat 06 Dec 25
£36.99 - £44.99
Deja Vu Marathon & Half Marathon
Milton Keynes, Buckinghamshire
Sun 07 Dec 25
£36.99 - £44.99
Richmond Park Half Marathon
London
Sun 07 Dec 25
£42.00 - £182.00
4.4
VICTORIA PARK 5K, 10K & HALF MARATHON
London
Sat 13 Dec 25
£28.00 - £162.00
4.7
Richmond Park December 5k,10k and Half Marathon
London, Greater London
Sun 14 Dec 25
£25.00 - £30.00
4.5
ATW Stevenage Winter Half Marathon & 10k
Ridlins Athletics Track, Woodcock Rd, Shephall, Stevenage
Sun 14 Dec 25
£29.68 - £37.10
LEE VALLEY VELOPARK - MILE, 5K, 10K, 10 MILE & HALF MARATHON
London, Greater London
Sat 20 Dec 25
£10.00 - £34.00
4.6
FA Cup Run
Milton Keynes, Buckinghamshire
Sat 03 Jan 26 - Sun 04 Jan 26
£36.99 - £42.99
Victoria Park Half Marathon, 10k & 5k
London
Sun 04 Jan 26
£28.00 - £162.00
4.7
Battersea Park Half Marathon
London
Sun 11 Jan 26
£42.00 - £182.00
4.6
Lee Valley Velo Park - January
London, Greater London
Sat 24 Jan 26
£12.00 - £34.00
4.6
Victoria Park Half Marathon, 10k & 5k
London
Sun 01 Feb 26
£28.00 - £167.00
4.7
ATW Watford Half Marathon & 10K
Cassiobury Park Avenue, Watford, Hertfordshire, WD18 7HF
Sun 01 Feb 26
£12.72 - £38.16
RUN Battersea Park Half Marathon Winter
Battersea Park next to the Bandstand - SW11 4NJ
Sun 08 Feb 26
£37.36
Battersea Park Half Marathon
London
Sat 14 Feb 26
£34.00 - £152.00
4.8
Richmond Half Marathon Winter
Old Deer Park - Richmond Upon Thames TW9 2SF
Sun 15 Feb 26
£41.51
Richmond Park Half Marathon
London
Sun 15 Feb 26
£44.00 - £197.00
4.4
ATW Bedford Half Marathon & 10k
Russell Park, Bedford, Bedfordshire, MK40 3RH
Sun 22 Feb 26
£31.80 - £40.28
Run London Victoria Park Half/10k/5k
London
Sun 22 Feb 26
£15.00 - £30.00
1.1
London Half & 10k Presented by TREK
London
Sun 01 Mar 26
£10.00 - £192.00
Showing 1-40 of 81 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 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.