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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

Run the Wild Half Marathon - Autumn

Tring, Hertfordshire
Sat 10 Oct 26
£59.00
5.0

Hampton Court Palace Running Festival Presented by Voltarol

East Molesey, Greater London
Sun 11 Oct 26
£42.00 - £47.00
4.2

Lee Valley Velo Park - October

London, Greater London
Sat 17 Oct 26 - Sat 24 Oct 26
£12.00 - £34.00
4.7

Richmond Park Half Marathon

Richmond, Surrey
Sun 18 Oct 26
£40.00
4.4

PHOENIX - Cambridgeshire - KiSS CHARITY RUN

St Neots, Cambridgeshire
Sun 18 Oct 26
£22.00 - £39.95

Windsor Dorney Lakeside Half Marathon

Dorney Lake, Off Court Lane, Windsor, Berks, SL4 6QP
Sun 18 Oct 26
£36.21

Henley Half Marathon

Henley-on-Thames, Oxfordshire
Sun 18 Oct 26
£10.00 - £40.00
4.9

BATTERSEA PARK RUNNING FESTIVAL

London
Sat 24 Oct 26
£12.00 - £47.00
4.5

Scare Bear Run 2026

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 24 Oct 26
£18.00 - £35.00

River Thames Half Marathon 2026

Walton-on-Thames, Surrey
Sun 25 Oct 26
£39.50
4.8

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6 are at - Chalfont St. Peter Community Centre , SL9 9QX.
Sun 25 Oct 26
£38.69

Maidenhead Half Marathon & 10k

Maidenhead, Berkshire
Sun 25 Oct 26
£32.00 - £40.00
5.0

PHOENIX Cambridgeshire Halloween Run

St Neots, Cambridgeshire
Sat 31 Oct 26
£22.00 - £39.95

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

We Will Remember Poppy Run

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 06 Nov 26
£18.00 - £20.00

PHOENIX - Lancaster Bomber Run

Walton-on-Thames, Surrey
Fri 06 Nov 26
£22.00 - £40.00

Enigma Fireworks Marathons & Half Marathons

Milton Keynes, Buckinghamshire
Fri 06 Nov 26 - Sat 07 Nov 26
£34.99 - £41.99

PHOENIX - Lest We Forget

Walton-on-Thames, Surrey
Sat 07 Nov 26
£22.00 - £39.95
5.0

Victoria Park Half Marathon, 10k & 5k

London
Sat 07 Nov 26
£30.00 - £38.00
4.7

Remembrance Run 2026 - South

Wraysbury Skiff and Punting Club, Riverside, Egham, TW20 0AE
Sun 08 Nov 26
£23.00 - £37.00

Windsor Trail Run

Windsor, Berkshire
Sun 08 Nov 26
£37.00 - £44.00

PHOENIX - Remembrance Day Marathon & Half Marathon

Walton-on-Thames, Surrey
Sun 08 Nov 26
£39.95

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

Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
Sun 08 Nov 26
£29.68 - £36.04
4.4

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
£40.00
4.7

The Smurf Run

Wraysbury Skiff and Punting Club, Riverside, Egham, TW20 0AE
Sun 15 Nov 26
£18.00 - £35.00

Dormouse Challenge

Salcey Forest
Fri 20 Nov 26
£38.00 - £40.00
5.0

THAMES PATH TRAIL RUN

Windsor, Berkshire
Sat 21 Nov 26
£37.50 - £42.50

Kingston Half Marathon

Kingston upon Thames, Surrey
Sun 22 Nov 26
£40.45

WIMBLEDON 10K & HALF MARATHON

London
Sun 22 Nov 26
£34.00 - £38.00
4.5

Christmas Lights Half Marathon 2026

London, Greater London
Mon 23 Nov 26 - Mon 04 Jan 27
£21.00

Running Tribe Races

Course 1,2,3 are at - Chalfont Park Sports Club Chalfont Park, SL9 0QA. Course 4,5,6 are at - Chalfont St. Peter Community Centre , SL9 9QX.
Sat 28 Nov 26
£38.69

PHOENIX - Riverside Marathon & Half Marathon

Walton-on-Thames, Surrey
Sat 28 Nov 26
£33.50
4.5

The London Riverside 1.5k, 10k and Half marathon MoRun

Richmond, Surrey
Sun 29 Nov 26
£12.00 - £30.00

PHOENIX - Christmas Advent Run

Walton-on-Thames, Surrey
Sun 29 Nov 26
£22.00 - £39.95

The Donut Dash

The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sun 29 Nov 26
£18.00 - £35.00
Showing 81-120 of 194 results