0081
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
🚀Boosted
Harrold-Odell Country Park - Bedfordshire. 10km, 25km & 50km Trail Races.
Bedford, Bedfordshire
08 Mar 25
£32.00 - £55.00
🚀Boosted
Richmond Park March 5k, 10k and Half Marathon
London
09 Mar 25
£22.00 - £25.00
4.4
🚀Boosted
MK Marathon Weekend
Stadium MK, Stadium Way Milton Keynes, BUCKS MK1 1ST United Kingdom
04 May 25 - 05 May 25
£13.05 - £149.59
Run the Thames Bridges - half marathon
London
16 Feb 24 - 30 Apr 25
£17.00 - £24.00
5.0
Run the Ghost Tubes - Half Marathon & 10K
London
01 Oct 24 - 30 Apr 25
£14.00 - £17.00
Running Tribe Races
Chalfont St Peter Cricket Club, Chalfont Park Sports Association, Chalfont Park, Chalfont St Peter, Gerrards Cross SL9 0QA
14 Dec 24 - 13 Dec 25
£37.50
Richmond Park Half Marathon
London
02 Mar 25
£42.00 - £182.00
4.4
Battersea Park Half Marathon
London
08 Mar 25
£37.00 - £162.00
4.8
Richmond Park March 5k, 10k and Half Marathon
London
09 Mar 25
£22.00 - £25.00
4.4
VICTORIA PARK 5K, 10K & HALF MARATHON
London
09 Mar 25
£28.00 - £152.00
4.7
The Moo-rathon, Calf and Hen k (at the Farm) Run - Full, Half, 10k
Hyde Hall Farm, Buntingford, SG9 0RU
22 Mar 25
£27.00 - £37.50
5.0
The One in the Park - Victoria - March
London
23 Mar 25
£26.00 - £35.00
ATW Run Fest at Lee Valley
Lee Valley White Water Centre, Station Rd, Waltham Cross EN9 1AB
23 Mar 25
£30.74 - £39.22
5.0
Run London Victoria Park Half/10k/5k
London
30 Mar 25
£15.00 - £30.00
1.1
FINSBURY PARK 5K, 10K & HALF MARATHON
London
30 Mar 25
£30.00 - £142.00
4.3
Putney & Fulham Half Marathon
London, Greater London
06 Apr 25
£41.51
4.9
Richmond Park Half Marathon
London
13 Apr 25
£42.00 - £182.00
4.4
VICTORIA PARK 5K, 10K & HALF MARATHON
London
18 Apr 25
£28.00 - £152.00
4.7
The Enigma Easter Series
Milton Keynes, Buckinghamshire
18 Apr 25 - 19 Apr 25
£36.99 - £44.99
ATW Stevenage Spring Half Marathon & 10k
Ridlins Athletics Track, Woodcock Rd, Shephall, Stevenage
21 Apr 25
£28.62 - £37.10
Lee Valley VeloPark 1 mile, 5k, 10k, 10 Mile & Half Marathon - June
London, Greater London
26 Apr 25
Free - £122.00
4.6
Richmond Park April 5k, 10k and Half Marathon Run
London, Greater London
27 Apr 25
£22.00 - £25.00
4.4
VICTORIA PARK 5K, 10K & HALF MARATHON
London
04 May 25
£28.00 - £152.00
4.7
Battersea Park Half Marathon
London
10 May 25
£37.00 - £162.00
4.8
Richmond Park May 5k,10k and Half Marathon
London, Greater London
11 May 25
£22.00 - £25.00
4.4
Farmmaggeddon
Hyde Hall Farm, Buntingford, SG9 0RU
24 May 25 - 25 May 25
£33.00 - £165.00
Richmond Park Half Marathon
London
25 May 25
£42.00 - £182.00
4.4
ATW Chiltern Half Marathon & 10K
Bellingdon, Chesham, HP5 2XU
25 May 25
£28.62 - £37.10
Circuit Du Sore Legs - part cinq
Wodson Park Sports Centre, Ware, Herts, SG12 0UQ
01 Jun 25
£25.00 - £37.50
The One in the Park - Richmond - June
Richmond
01 Jun 25
£26.00 - £35.00
5.0
Show me the Monet Marathons & Half Marathon
Milton Keynes, Buckinghamshire
07 Jun 25 - 08 Jun 25
£32.99 - £39.99
Richmond Park June 5k, 10k and Half Marathon
London, Greater London
08 Jun 25
£22.00 - £25.00
4.4
ATW St Albans Half Marathon #icelollyrun
Verulamium Park, St Albans AL1 2DL
08 Jun 25
£11.66 - £42.40
VICTORIA PARK 5K, 10K & HALF MARATHON
London
08 Jun 25
£28.00 - £152.00
4.7
FINSBURY PARK 5K, 10K & HALF MARATHON
London
15 Jun 25
£30.00 - £142.00
4.3
LEE VALLEY VELOPARK 1 MILE, 5K, 10K, 10 MILE & HALF MARATHON
London, Greater London
21 Jun 25
Free - £122.00
4.6
Dunstable Downs Half Marathon
Dunstable, Bedfordshire
22 Jun 25
£32.00
4.8
Cock-a-doodle Dawdle
Hyde Hall Farm, Buntingford, SG9 0RU
28 Jun 25
£25.00 - £37.50
Jaws 50th Anniversary Marathons & Half Marathon
Milton Keynes, Buckinghamshire
05 Jul 25
£34.99 - £44.99
Chiltern Ridge Half Marathon
Aylesbury, Buckinghamshire
06 Jul 25
£32.00
4.3
Richmond Park Half Marathon
London
06 Jul 25
£42.00 - £182.00
4.4
Live Aid 40th Anniversary Marathon Half Marathon & 50km
Milton Keynes, Buckinghamshire
12 Jul 25 - 13 Jul 25
£34.99 - £42.99
Hughenden Valley Half & 10K
High Wycombe, Buckinghamshire
19 Jul 25
£22.00 - £32.00
4.6
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.