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Half Marathons Found

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Half Marathons 2024 - 2025

Running a good half marathon time is something every runner has on their 'To Do' list. Whether it’s a trail race or a road race, a 13.1 mile half marathon is the natural next step up from 10k, and one of the classic benchmarks to test yourself against. It's long enough to be a true test of fitness, stamina, pacing, form and mental strength but short enough to be within reach of anyone willing to train consistently for a couple of months.

Our database contains everything from small, locally organised half marathons to one of the biggest races on the planet - The Great North Run - which attracts over 50,000 runners and was the first mass participation event on the planet to reach 1 million cumulative participants. The findarace calendar lists over 350 half marathons every year all over the UK and beyond. So whether you’re after a low-key local race or the excitement of a major event, check out our comprehensive 2022 - 2023 calendar below and use the “Refine” button above to fine-tune your search.

Viewing this page in the default “Featured view” will show you all the Best Half Marathons in the UK. If you’re ready to set yourself a challenge right now then switching to “Bookable view” will show you those that can be booked instantly and securely through Find A Race. Guarantee your place today and get training :-)

If you’re ready to book, but not race prepared for the big day, check out our Half marathon kit list to ensure you’ve got everything you need.

Half Marathons 2024 - 2025

Christmas Canter - 5k, 10k, Half, Full & Ultra Marathon

Suffolk Running Centre
01 Dec 24
£25.00 - £37.50
4.5

Medal Mix Challenge 2024 - Day 2

Exmouth, Devon
01 Dec 24
£27.00

Raynedeer Run

Braintree, Rayne, Essex
01 Dec 24
£19.50 - £40.00

Medal Madness - Winter

Heanor, Derbyshire
01 Dec 24
£29.00
5.0

X-Wing-mas Marathon & Half Marathon

Milton Keynes, Buckinghamshire
06 Dec 24 - 07 Dec 24
£32.99 - £41.99

CARSINGTON WATER HALF MARATHON & 10K

Derbyshire
07 Dec 24
£28.00 - £132.00
4.8

PHOENIX - Pearl Harbour - Military Series Run

Sunbury on Thames, Middlesex
07 Dec 24
£22.00 - £40.00

Salisbury Plain Marathon & Half Winter Edition

Andover, Hampshire
07 Dec 24
£35.00 - £45.00
4.7

The Run Before Christmas

Staines, Middlesex
07 Dec 24
£27.00 - £40.00

RACE THE LIGHT

Plymouth, Devon
07 Dec 24
£42.00 - £56.00

ATW Stevenage Winter Half Marathon & 10k

Ridlins Athletics Track, Woodcock Rd, Shephall, Stevenage
08 Dec 24
£23.32 - £36.04

Deja Vu Marathon & Half Marathon

Milton Keynes, Buckinghamshire
08 Dec 24
£32.99 - £41.99

'Twas The Run Before Christmas - 5k, 10k, Half Marathon, Full Marathon, Ultra Marathon

Brandon Country Park, IP27 0SU
08 Dec 24
£33.00 - £36.00

Sea 2 Summit - Offa's Dyke Half/Full/Ultra

Prestatyn Nova Centre
08 Dec 24
Free - £52.74

Maya Marathon Mexico

Cozumel
13 Dec 24 - 17 Dec 24
£29.00

Christmas Jumper Dachshund Through The Snow Run

Staines, Middlesex
13 Dec 24
£24.00 - £34.00

PHOENIX - Christmas Jumper FRIDAY Run 2024

Sunbury on Thames, Middlesex
13 Dec 24
£44.95

Dachsund Through the Snow Christmas Jumper Big Bobble Run

Staines, Middlesex
14 Dec 24
£27.00 - £45.00

Richmond Park December 5k,10k and Half Marathon

London, Greater London
15 Dec 24
£22.00 - £25.00
4.4

ATW Nottingham Holme Run

Holme Pierrepont County Park, Adbolton Lane, Holme Pierrepont, Nottingham, NG12 2LU
15 Dec 24
£20.14 - £37.10

Bauble Bimble - 5k, 10k, Half Marathon, Full Marathon, Ultra Marathon

Ferry Meadows, Ham Lane, Peterborough, PE2 5UU
15 Dec 24
£33.00 - £36.00

RUN DORNEY 5K, 10K & HALF MARATHON DECEMBER 2024

Windsor, Berkshire
15 Dec 24
£28.00 - £142.00
4.2

Run Aintree 5k, 10k & Half Marathon

Liverpool, Merseyside
15 Dec 24
£26.00 - £170.00
4.6

Christmas Cracker Chasing Numbers Dec 2024

Egham, Surrey
20 Dec 24
£24.00 - £34.00

LEE VALLEY VELOPARK - MILE, 5K, 10K, 10 MILE & HALF MARATHON

London, Greater London
21 Dec 24
Free - £122.00
4.5

Birmingham Running Festival December 2024

Sutton Coldfield, West Midlands
22 Dec 24
£7.00 - £152.00
4.7

The Christmas Die Hard Marathon & Half Marathon

Milton Keynes, Buckinghamshire
24 Dec 24
£32.99 - £41.99

Christmas Day Cracker Run 2024

Egham, Surrey
25 Dec 24
£27.00 - £40.00

Year End Time Turner 2024

Egham, Surrey
27 Dec 24
£24.00 - £34.00

PHOENIX - Year End Marathon & Half Marathon

Sunbury on Thames, Middlesex
28 Dec 24
£33.50

Bell Challenge - Day 1

Exmouth, Devon
28 Dec 24
£31.00

PHOENIX - Frozen Phoenix

Sunbury on Thames, Middlesex
29 Dec 24
£27.00 - £40.00

Bell Challenge - Day 2

Exmouth, Devon
29 Dec 24
£31.00

PHOENIX - Winter Runderland

Sunbury on Thames, Middlesex
30 Dec 24
£27.00 - £40.00
4.0

Bell Challenge - Day 3

Exmouth, Devon
30 Dec 24
£31.00

The Last Run Of The Year 2024

Staines, Middlesex
31 Dec 24
£27.00 - £40.00

Bell Challenge - Day 4

Exmouth, Devon
31 Dec 24
£31.00

Bell Challenge - Day 5

Exmouth, Devon
01 Jan 25
£31.00

New Years Day Run

Staines, Middlesex
01 Jan 25
£27.00 - £40.00

Battersea Park Half Marathon

London
04 Jan 25
£37.00 - £162.00
4.7
Showing 161-200 of 409 results

Half Marathon FAQs

How long is a half marathon?

Half marathon races 21 kilometres, exactly half the distance of a full 26.2 miles. The average finishing time for a half in the UK is around 2:00 hours with more seasoned runners often pushing for 1 hour 30 minutes or less. This makes half marathons the perfect choice for runners looking to step up to a new challenge from 10k races and an important milestone for those on their way to running a full marathon. If you're looking for some inspiration goal setting, find out what a good half marathon time is in our guide.

Can you run a half marathon without training?

While it is physically possible to run a half marathon without training, we really wouldn’t recommend it. From both an enjoyment and health perspective, training correctly before embarking on a half marathon is going to lead you to have a much better experience.

Running a half marathon requires a significant level of endurance, stamina, and physical fitness. Without proper training, you are more likely to experience discomfort, fatigue, and the risk of injuring yourself is much higher. Training allows your body to adapt, get stronger and build stamina - everything you’ll need to enjoy the challenge of a half marathon race. Diet is also important, for more info take a look at our guide on what to eat before a half marathon.

Alternative Half Marathons

Looking for a half marathon you can take part in from anywhere - even indoors? Our virtual runs offer a range of distances and ways to challenge yourself whilst still running solo.

Fancy an active trip away? Check out our Running Holidays page which lists international running trips and breaks.

How many KM is a Half Marathon?

A half marathon is equivalent to 21.0975 kilometres (or approximately 13.1 miles). It is exactly half the distance of a full marathon, which is 42.195 kilometres or 26.2 miles.

If I can run a 10k, can I run a half marathon?

If you can successfully run a 10K (which is approximately 6.2 miles), you can definitely work your way up to running a half marathon. It is roughly twice the distance, so naturally, you’ll need to enhance the stamina and endurance you’ll have already built in running 10 kilometres. Following a structured training plan that allows for rest and increasing distance incrementally is the safest way to build up to the full 13.1 miles.

What types of Half Marathon are there?

There are two main types of Half Marathon events to participate in: Road Races and Trail Runs.

Road Half Marathons are the most traditional and popular type of half marathon. It takes place on paved roads or streets, typically in city or suburban areas with well-planned routes and water stations. Choose from a range of mass-participation Half Marathon events in London, Manchester, Birmingham and many more big cities and towns across the UK. These types of races also often have fantastic routes that pass iconic landmarks and tend to have buzzing crowds cheering runners on.

Trail Half Marathons are held on off-road trails in woodland settings or on hiking trails. They deliver a more scenic and natural experience but tend to be much more demanding due to the variety of terrain and uneven surfaces.