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Half Marathons Found In & Near Hertfordshire

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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!

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

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

BATTERSEA PARK RUNNING FESTIVAL

London
Sat 18 Oct 25
£7.00 - £182.00
5.0

Back to the Future 40th Anniversary Marathons & Half Marathons

Milton Keynes, Buckinghamshire
Sat 18 Oct 25 - Sun 19 Oct 25
£38.99 - £49.99

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

London, Greater London
Sat 25 Oct 25
£12.00 - £122.00
4.6

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, Chalfont St Peter, Buckinghamshire. SL9 0QA. Course 4,5,6 are at - Chalfont St. Peter Community Centre , Chalfont St Peter, Gerrards Cross, SL9 9QX, England
Sat 25 Oct 25
£37.50

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

ATW Bedford 10k & Half Marathon

Russell Park, Bedford, Bedfordshire, MK40 3RH
Sun 02 Nov 25
£30.74 - £39.22

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

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

London
Sun 02 Nov 25
£15.00 - £35.00
5.0

Richmond Half Marathon Autumn

Old Deer Park - Richmond Upon Thames TW9 2SF
Sun 02 Nov 25
£41.51

Run London Victoria Park Half/10k/5k

London
Sun 02 Nov 25
£15.00 - £30.00
1.1

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

The One in the Park - Victoria - November

London
Sun 16 Nov 25
£26.00 - £35.00
5.0

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

Deja Vu Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Sun 07 Dec 25
£34.99 - £43.99

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 - £122.00
4.6

Battersea Park Half Marathon

London
Sat 03 Jan 26
£42.00 - £182.00
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

Lee Valley Velo Park - January

London, Greater London
Sat 24 Jan 26
£12.00 - £142.00
4.6

ATW Watford Half Marathon & 10K

Cassiobury Park Avenue, Watford, Hertfordshire, WD18 7HF
Sun 01 Feb 26
£12.72 - £38.16

Victoria Park Half Marathon, 10k & 5k

London
Sun 01 Feb 26
£28.00 - £167.00
4.7

RUN Battersea Park Half Marathon Winter

Battersea Park next to the Bandstand - SW11 4NJ
Sun 08 Feb 26
£37.36

Richmond Half Marathon Winter

Old Deer Park - Richmond Upon Thames TW9 2SF
Sun 15 Feb 26
£41.51
Showing 1-40 of 79 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.