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Half Marathons Found In & Near Hertfordshire
View all ↓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!
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Race Calendar: Half Marathons In & Near Hertfordshire
🚀Boosted
Ouse Valley Way Marathon and Half Marathon 2026
St Neots, Cambridgeshire
Sun 20 Sep 26
£29.00 - £43.00
4.3
🚀Boosted
Kingston Half Marathon 2026
Kingston upon Thames, Surrey
Sun 04 Oct 26
£44.50
5.0
🚀Boosted
The Hurt
Guildford, Surrey
Sat 10 Oct 26
£31.00 - £35.00
🚀Boosted
Windsor Dorney Lakeside Half Marathon
Dorney Lake, Off Court Lane, Windsor, Berks, SL4 6QP
Sun 18 Oct 26
£36.21
Run the Thames Bridges - half marathon
London
Fri 16 Feb 24 - Thu 31 Dec 26
£17.00 - £24.00
5.0
Run the Ghost Tubes - Half Marathon & 10K
London
Tue 01 Oct 24 - Thu 31 Dec 26
£14.00 - £17.00
4.3
Henry VIII's Wives Half Marathon
London
Sun 01 Feb 26 - Thu 31 Dec 26
£17.00
Battersea Park 5k, 10k & Half Marathon
London
Sat 08 Aug 26
£36.00 - £42.00
4.8
Stopsley Trail Race
Inspire: Luton Sports Village, Butterfield Green Rd, Luton, LU2 8DD
Sun 09 Aug 26
£19.42 - £26.86
Thames Meander Summer
Richmond, Greater London
Sun 09 Aug 26
£37.36 - £58.59
5.0
Richmond Park Half Marathon
Richmond, Surrey
Sun 09 Aug 26
£40.00
4.4
Lee Valley Velo Park - August
London, Greater London
Sat 15 Aug 26
£12.00 - £34.00
4.7
Wendover Woods Trail
Aylesbury, Buckinghamshire
Sat 22 Aug 26
£12.00 - £36.00
Dunstable Downs Challenge Half Marathon
Creasey Park Football Centre, Brewers Hill Rd, Dunstable LU6 1BB
Sun 23 Aug 26
£25.78
Mystery Marathon & Half Marathon
Milton Keynes, Buckinghamshire
Thu 03 Sep 26
£29.99 - £34.99
ATW Bedford Running Festival
Russell Park, The Embankment, Bedford MK40 3RH
Sat 05 Sep 26 - Sun 06 Sep 26
£13.78 - £51.94
Richmond Park September 5k, 10k and Half Marathon
London, Greater London
Sun 06 Sep 26
£25.00 - £30.00
4.5
Flying Scotsman Marathons & Half Marathons
Milton Keynes, Buckinghamshire
Sat 12 Sep 26 - Sun 13 Sep 26
£34.99 - £41.99
Richmond Half Marathon @ Richmond RUNFEST 2026
Richmond, Greater London
Sun 13 Sep 26
£35.00
4.5
Richmond Park Half Marathon
Richmond, Surrey
Sun 20 Sep 26
£40.00
4.4
Battersea Park 5k, 10k & Half Marathon
London
Sat 26 Sep 26
£36.00 - £42.00
4.8
Clapham Common 5k, 10k & Half Marathon
London
Sun 27 Sep 26
£32.00 - £34.00
Wizz Air Ealing Half Marathon 2026
London
Sun 27 Sep 26
£55.89 - £57.89
Victoria Park Half Marathon, 10k & 5k
London
Sat 03 Oct 26
£30.00 - £38.00
4.7
Thames Meander Autumn
Richmond, Greater London
Sun 04 Oct 26
£37.36 - £58.59
4.1
ATW Welwyn Half Marathon & 10k
Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XE
Sun 04 Oct 26
£34.98 - £43.46
5.0
Epping Forest Half Marathon & 10K Wildwood Trail Series
London
Sat 10 Oct 26
£27.00 - £37.00
PHOENIX BEDFORDSHIRE Freaky Phoenix Friday
Biggleswade, Bedfordshire
Fri 16 Oct 26
£22.00
Lee Valley Velo Park - October
London, Greater London
Sat 17 Oct 26 - Sat 24 Oct 26
£12.00 - £34.00
4.7
PHOENIX BEDFORDSHIRE Skull Runner
Biggleswade, Bedfordshire
Sat 17 Oct 26
£22.00 - £39.95
Richmond Park Half Marathon
Richmond, Surrey
Sun 18 Oct 26
£40.00
4.4
BATTERSEA PARK RUNNING FESTIVAL
London
Sat 24 Oct 26
£12.00 - £47.00
4.5
Running Tribe Races
Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6,12 are at - Chalfont St. Peter Community Centre , SL9 9QX. Course - 7,8 are at - Amersham Cricket Club, Missenden Rd, Old Amersham, Bucks, HP7 0RN Course - 9 is at - Sarratt Village Hall, The Green, Sarratt,,Nr Rickmansworth, Herts WD3 6AS Course - 10,11 are at - Chesham & District Community Association, White Hill Centre, White Hill, Chesham, Bucks, HP5 1AG.
Sun 25 Oct 26
£38.69
Wendover Woods Marathon, Half Marathon & 10k
Wendover Woods, Upper Icknield Way, Aston Clinton, HP22 5NQ
Sun 01 Nov 26
£7.68 - £50.00
4.6
Richmond Half Marathon Autumn
Old Deer Park - Richmond Upon Thames TW9 2SF
Sun 01 Nov 26
£41.51
Run London Victoria Park Half/10k/5k
London
Sun 01 Nov 26
£15.00 - £30.00
1.1
ATW Bedford 10k & Half Marathon
Russell Park, Bedford, Bedfordshire, MK40 3RH
Sun 01 Nov 26
£34.98 - £43.46
5.0
Hertfordshire Half Marathon & 10k
Knebworth, Hertfordshire
Sun 01 Nov 26
£40.00 - £47.00
4.5
Enigma Fireworks Marathons & Half Marathons
Milton Keynes, Buckinghamshire
Fri 06 Nov 26 - Sat 07 Nov 26
£34.99 - £41.99
Victoria Park Half Marathon, 10k & 5k
London
Sat 07 Nov 26
£30.00 - £38.00
4.7
London 1.5k, 5k, 10k and Half Marathon MoRun
London
Sun 08 Nov 26
£12.00 - £30.00
5.0
Battersea Park 5k, 10k & Half Marathon
London
Sat 14 Nov 26
£36.00 - £42.00
4.7
RUN Battersea Park Half Marathon
Battersea Park next to the Bandstand - SW11 4NJ
Sun 15 Nov 26
£41.60
4.6
Christmas Lights Half Marathon 2026
London, Greater London
Mon 23 Nov 26 - Mon 04 Jan 27
£21.00
Showing 1-40 of 90 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.