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Half Marathons Found In Hemel Hempstead

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Half Marathons in Hemel Hempstead 2026 - 2027

The most comprehensive list of Half Marathons in and near Hemel Hempstead in 2026 - 2027. Find your perfect race!

Hemel sits on rolling Hertfordshire hills, which gives a half marathon here a different character from the flat canal towns to the south. Gadebridge Park is the obvious training base - a large open space in the middle of town with enough room to get proper sessions in. The Grand Union Canal adds flat miles heading out toward Berkhamsted if you want the contrasting option. Want to build up to it? 10k runs in Hemel Hempstead are a good place to start.

Browse the listings below and pick one that works. It's worth to do some hill sessions before you take on 13.1 in Hemel - the Leverstock Green trails to the north of the park are useful for that if you want to get beyond the main paths. Marathons in Hemel Hempstead are there when you're ready to step up the distance.

Looking for more options?

Explore half marathons across the East of England with half marathons near Basildon, half marathons near Bedford or half marathons near Cambridge.

Race Calendar: Half Marathons Found In Hemel Hempstead

FINSBURY PARK 5K, 10K & HALF MARATHON

London
Sun 29 Nov 26
£30.00 - £34.00
4.3

CRYSTAL PALACE 5K 10K, HALF MARATHON & JUNIORS

London
Sun 29 Nov 26
£12.00 - £37.00
4.7

Gremlins Christmas Half & Marathons

Milton Keynes, Buckinghamshire
Fri 04 Dec 26 - Sun 06 Dec 26
£39.99 - £44.99

The Snow Globe Gallop Bobble Hat Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 05 Dec 26
£18.00 - £41.82

PHOENIX - Christmas Gonk

Walton-on-Thames, Surrey
Sat 05 Dec 26
£22.00 - £40.00

Battersea Park 5k, 10k & Half Marathon

London
Sat 05 Dec 26
£36.00 - £42.00
4.7

London Running Festival December

London
Sun 06 Dec 26
£30.00 - £34.00

The Christmas Jumper Jaunt

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 11 Dec 26
£18.00 - £35.00

Phoenix - Christmas Jumper FRIDAY Run

Walton-on-Thames, Surrey
Fri 11 Dec 26
£49.95

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
£40.00

Battersleigh 5k, 10k & Half Marathon

London
Sat 12 Dec 26
£36.00 - £40.00

Victoria Park Half Marathon, 10k & 5k

London
Sat 12 Dec 26
£30.00 - £38.00
4.7

Run Dorney Lake Half Marathon, 10k & 5k - December

Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sat 12 Dec 26
£29.68 - £36.04
4.4

Richmond Park Half Marathon

Richmond, Surrey
Sun 13 Dec 26
£40.00
4.4

PHOENIX - Cambridgeshire - Snowflake Run

St Neots, Cambridgeshire
Sun 13 Dec 26
£22.00 - £39.95

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 - £49.99
4.0

Die Hard Christmas Jumpers Marathon & Half Marathon

Milton Keynes, Buckinghamshire
Thu 24 Dec 26
£39.99 - £54.99
4.0

Christmas Day Cracker Run 2026

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
Fri 25 Dec 26
£18.00 - £88.88

Boxing Day Challenge

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
Sat 26 Dec 26
£27.00 - £35.00

Year End Time Turner 2026

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
Sun 27 Dec 26
£18.00 - £35.00
4.0

Phoenix Crystal Palace - Alice in Runderland

London
Sun 27 Dec 26
£22.00 - £39.95

PHOENIX - Year End Marathon & Half Marathon

Walton-on-Thames, Surrey
Mon 28 Dec 26
£33.50
5.0

PHOENIX - Frozen Phoenix

Walton-on-Thames, Surrey
Tue 29 Dec 26
£27.00 - £40.00

PHOENIX - Winter Runderland

Walton-on-Thames, Surrey
Wed 30 Dec 26
£27.00 - £40.00
4.0

New Years Day Run 2027

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 01 Jan 27
£18.00 - £36.00
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.
Sat 02 Jan 27
£39.97

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
£40.00

Battersea 5k, 10k & Half Marathon

London
Sat 09 Jan 27
£36.00 - £42.00
4.8

The Safari Sprint

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 09 Jan 27
£18.00 - £36.00

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
£40.00

Victoria Park Half Marathon, 10k & 5k

London
Sun 10 Jan 27
£30.00 - £38.00
4.7

PHOENIX - Doughnut Dash

Walton-on-Thames, Surrey
Sun 10 Jan 27
£39.95
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 10 Jan 27
£40.00

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
£40.00

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
£39.48

Finsbury Park 5k, 10k, Half Marathon & Junior Run

London
Sun 24 Jan 27
£11.00 - £34.00
4.3

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
£40.00

Lee Valley Velo Park

London, Greater London
Sat 30 Jan 27
£11.00 - £34.00
4.7
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