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Half Marathons Found In & Near Hertfordshire

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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 Victoria Park Half Marathon Autumn

Victoria Park, E9 5HT
Sun 29 Nov 26
£41.60

FINSBURY PARK 5K, 10K & HALF MARATHON

London
Sun 29 Nov 26
£30.00 - £34.00
4.3

Gremlins Christmas Half & Marathons

Milton Keynes, Buckinghamshire
Fri 04 Dec 26 - Sun 06 Dec 26
£37.99 - £43.99

Battersea Park 5k, 10k & Half Marathon

London
Sat 05 Dec 26
£36.00 - £42.00
4.7

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.
Sat 12 Dec 26
£38.69

Victoria Park Half Marathon, 10k & 5k

London
Sat 12 Dec 26
£30.00 - £38.00
4.7

Richmond Park Half Marathon

Richmond, Surrey
Sun 13 Dec 26
£40.00
4.4

Lee Valley Velo Park - December

London, Greater London
Sat 19 Dec 26
£12.00 - £142.00
4.7

Die Hard Christmas Jumpers Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Wed 23 Dec 26
£39.99 - £44.99
4.0

Die Hard Christmas Jumpers Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Thu 24 Dec 26
£39.99 - £44.99
4.0

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.
Sat 02 Jan 27
£37.00

Winter Enigma Marathon & Half Marathon

Milton Keynes
Sat 02 Jan 27 - Sun 03 Jan 27
£36.99 - £43.99

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 03 Jan 27
£37.00

Battersea 5k, 10k & Half Marathon

London
Sat 09 Jan 27
£36.00 - £42.00
4.8

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.
Sat 09 Jan 27
£38.69

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 10 Jan 27
£38.69

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.
Sat 16 Jan 27
£38.69

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 17 Jan 27
£38.69

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 24 Jan 27
£38.69

Battersea Park Half Marathon - Winter

Battersea Park next to the Bandstand - SW11 4NJ
Sun 31 Jan 27
£41.60
4.6

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 31 Jan 27
£38.69

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.
Sat 06 Feb 27
£37.00

ATW Watford Half Marathon & 10K

Cassiobury Park Avenue, Watford, Hertfordshire, WD18 7HF
Sun 07 Feb 27
£14.84 - £47.70
5.0

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 07 Feb 27
£37.00

Battersea 5k, 10k & Half Marathon

London
Sat 13 Feb 27
£36.00 - £42.00
4.8

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 14 Feb 27
£38.69

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.
Sat 20 Feb 27
£38.69

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 21 Feb 27
£38.69

ATW Bedford Half Marathon & 10k

Russell Park, Bedford, Bedfordshire, MK40 3RH
Sun 21 Feb 27
£37.10 - £45.58
5.0

Run the Wild Half Marathon - Spring

Tring, Hertfordshire
Sat 13 Mar 27
£55.00
5.0

Moo-rathon, Calf and Hen K

Hyde Hall Farm, Buntingford, SG9 0RU
Sat 13 Mar 27
£29.00 - £38.00

Battersea Park Half Marathon - Spring

Battersea Park next to the Bandstand - SW11 4NJ
Sun 14 Mar 27
£41.60
4.6

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.
Sat 20 Mar 27
£38.69

The Enigma Easter Series

Milton Keynes, Buckinghamshire
Fri 26 Mar 27 - Sat 27 Mar 27
£37.99 - £44.99
5.0

Battersea 5k, 10k & Half Marathon

London
Sat 27 Mar 27
£34.00 - £40.00
4.8

Battersea Park Half Marathon - March 2027

Battersea Park next to the Bandstand - SW11 4NJ
Sun 28 Mar 27
£33.11
4.6

London Landmarks Half Marathon

London, Greater London
Sun 04 Apr 27
£35.00
4.5

Kew The Run: Half Marathon 2027

Richmond, Greater London
Sun 04 Apr 27
£30.00
4.4

Putney & Fulham Half Marathon

Barn Elms Sports Centre,  Queen Elizabeth Walk, London, SW13 0DG
Sun 04 Apr 27
£41.51
4.9

Hackney Half Marathon

London
Sun 16 May 27
£35.00 - £80.00
5.0
Showing 41-80 of 89 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.

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