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Running EventsHalf Marathons

Half Marathons in the UK

A half marathon is 13.1 miles or 21.1km long. It is a hugely popular distance, and the popularity is only growing. There are over 500 half marathons held in the UK each year, usually in the Spring and Autumn to make the most of the clement weather. Most events are held in big cities, and give a great opportunity to take in major landmarks while exercising. The Great North Run is the world's largest half-marathon, with over 57,000 runners each year. Other events can take you out into the stunning scenery of the UK's countryside, on rugged trails in national parks or along coastal paths. There are sure to be breathtaking views to take your mind off the running! People running their first half-marathon might want to aim for under 2 hours, while those who are experienced runners can set themselves the prestigious challenge of running a half marathon in under an hour and a half (90 minutes). A half-marathon tends to burn anywhere between 1,000 and 2,000 calories, so it's a great workout.

434 events found
RunThrough Battersea Park Half Marathon - November
Booked 55 times this week

Saturday, Nov 12, 2022

RunThrough Battersea Park Half Marathon - November

LocationIndicator

London, Greater London

Participants

half marathon, 10k

Star5

(2 reviews)

FilledTicket£23.40 – £30
Booking perksGreat atmosphereFlat road
HeartOutline
Sussex Downs Half Marathon
Booked 44 times this week

Saturday, Nov 19, 2022

Sussex Downs Half Marathon

LocationIndicator

Plumpton, East Sussex

Participants

half marathon

Star5

(3 reviews)

FilledTicket£32 – £40
Booking perksGreat atmosphereGreat sceneryFlat trail
HeartOutline
Running GP Oulton Park - November
Booked 41 times this week

Sunday, Nov 20, 2022

Running GP Oulton Park - November

LocationIndicator

Little Budworth, Cheshire West and Chester

Participants

marathon, half marathon, 10k, 5k

Star4.5

(2 reviews)

FilledTicket£23.40 – £47
Booking perksGreat atmosphereFlat
HeartOutline
Glasgow 1.5k, 5k, 10k & Half Marathon MoRun
Booked 47 times this week

Sunday, Nov 27, 2022

Glasgow 1.5k, 5k, 10k & Half Marathon MoRun

LocationIndicator

Saltmarket, Glasgow City

Participants

half marathon, 10k, 5k

Star5

(4 reviews)

FilledTicket£14 – £25
Booking perksGreat atmosphereFlat road
HeartOutline
Christmas Cracker 2022
Booked 38 times this week

Saturday, Dec 3, 2022

Christmas Cracker 2022

LocationIndicator

Leeds, West Yorkshire

Participants

marathon, half marathon, 10 miles, 10k, 5k

Star4.5

(5 reviews)

FilledTicket£13 – £50
Booking perksGreat atmosphereFlat road
HeartOutline
The Maverick Adidas Terrex Original Oxfordshire
Booked 39 times this week

Saturday, Dec 3, 2022

The Maverick Adidas Terrex Original Oxfordshire

LocationIndicator

Stonor, Oxfordshire

Participants

half marathon

Star5

(15 reviews)

FilledTicket£25 – £40
Booking perksGreat atmosphereGreat scenery
HeartOutline
Running GP at Goodwood Motor Circuit – December
Booked 52 times this week

Sunday, Dec 4, 2022

Running GP at Goodwood Motor Circuit – December

LocationIndicator

Chichester, West Sussex

Participants

marathon, half marathon, 10k, 5k

FilledTicket£23.40 – £47
Booking perksFlat trail
HeartOutline
Dorney Lake Christmas Duathlon & Lake Runs
Booked 48 times this week

Saturday, Dec 10, 2022

Dorney Lake Christmas Duathlon & Lake Runs

LocationIndicator

Windsor, Buckinghamshire

Participants

half marathon, 5k, 10k

Star4

(6 reviews)

FilledTicket£20 – £75
Booking perksGreat atmosphereFlat road
HeartOutline
RunThrough Victoria Park 5k, 10k & Half Marathon - December
Booked 53 times this week

Sunday, Dec 18, 2022

RunThrough Victoria Park 5k, 10k & Half Marathon - December

LocationIndicator

London, Greater London

Participants

5k, 10k, half marathon

FilledTicket£20.90 – £30
Booking perksTrail
HeartOutline
Run Aintree 5k, 10k & Half Marathon - December
Booked 38 times this week

Sunday, Dec 18, 2022

Run Aintree 5k, 10k & Half Marathon - December

LocationIndicator

Liverpool, Merseyside

Participants

5k, 10k, half marathon

FilledTicket£23.40 – £40
Booking perksFlat road
HeartOutline
Dartford Half Marathon
Booked 39 times this week

Sunday, Mar 5, 2023

Dartford Half Marathon

LocationIndicator

Dartford, Kent

Participants

half marathon

Star4.5

(22 reviews)

FilledTicket£26 – £28
Booking perksGreat atmosphereFlat
HeartOutline
The Monsal Trail Half Marathon & 10k - Saturday
Booked 42 times this week

Saturday, Apr 1, 2023

The Monsal Trail Half Marathon & 10k - Saturday

LocationIndicator

Bakewell, Derbyshire

Participants

10k, half marathon

Star5

(25 reviews)

FilledTicket£22 – £29
Booking perksGreat atmosphereGreat sceneryFlat trail
HeartOutline
The Elysium Healthcare Great West Run 2023
Booked 48 times this week

Sunday, May 21, 2023

The Elysium Healthcare Great West Run 2023

LocationIndicator

Exeter, Devon

Participants

half marathon, 10k

FilledTicket£5 – £39.60
Booking perksFlat road
HeartOutline
Run Yorkshire Roundhay Half Marathon, 10k & 5k - October
Booked 18 times this week

Sunday, Oct 9, 2022

Run Yorkshire Roundhay Half Marathon, 10k & 5k - October

LocationIndicator

Leeds, West Yorkshire

Participants

half marathon, 10k, 5k

FilledTicket£13 – £26
Booking perksFlat road
HeartOutline
RunThrough Carsington Water Half Marathon & 10k - October
Booked 33 times this week

Sunday, Oct 9, 2022

RunThrough Carsington Water Half Marathon & 10k - October

LocationIndicator

Derbyshire, Derbyshire

Participants

half marathon, 10k

FilledTicket£20 – £28
Booking perksFlat trail
HeartOutline
New Forest Off Road Half Marathon - Lyndhurst
Booked 30 times this week

Saturday, Oct 15, 2022

New Forest Off Road Half Marathon - Lyndhurst

LocationIndicator

Brockenhurst, Hampshire

Participants

half marathon

FilledTicket£32.50 – £40
Booking perksFlat trail
HeartOutline
RunThrough Wimbledon Half - October
Booked 36 times this week

Sunday, Oct 16, 2022

RunThrough Wimbledon Half - October

LocationIndicator

London, Greater London

Participants

half marathon

FilledTicket£23.40 – £44
Booking perksHilly trail
HeartOutline
Great Eastern Run
Booked 14 times this week

Sunday, Oct 16, 2022

Great Eastern Run

LocationIndicator

Peterborough, Peterborough

Participants

5k, half marathon

FilledTicket£10.90 – £35
Booking perksRoad
HeartOutline
Brechfa Trail Half Marathon, 10k and 5k
Booked 19 times this week

Saturday, Oct 22, 2022

Brechfa Trail Half Marathon, 10k and 5k

LocationIndicator

Carmarthenshire, Carmarthenshire

Participants

5k, 10k, half marathon

FilledTicket£16 – £34
Booking perksGreat sceneryHilly trail
HeartOutline
The Royal Borough of Kingston Half Marathon
Booked 13 times this week

Sunday, Oct 23, 2022

The Royal Borough of Kingston Half Marathon

LocationIndicator

Kingston upon Thames, Greater London

Participants

half marathon

Star4.5

(12 reviews)

FilledTicket£42
Booking perksGreat atmosphereFlat road
HeartOutline
The Cannock Chase Half Marathon & 10k
Booked 36 times this week

Sunday, Oct 23, 2022

The Cannock Chase Half Marathon & 10k

LocationIndicator

Rugeley, Staffordshire

Participants

half marathon, 10k

Star4.5

(13 reviews)

FilledTicket£20 – £27
Booking perksGreat atmosphereFlat trail
HeartOutline
Running GP Bedford Autodrome - October
Booked 30 times this week

Sunday, Oct 23, 2022

Running GP Bedford Autodrome - October

LocationIndicator

Bedford, Bedford

Participants

half marathon, 10k, 5k

Star5

(1 reviews)

FilledTicket£23.40 – £47
Booking perksGreat atmosphereFlat road
HeartOutline
RunThrough Lee Valley VeloPark – October
Booked 13 times this week

Saturday, Oct 29, 2022

RunThrough Lee Valley VeloPark – October

LocationIndicator

London, Greater London

Participants

half marathon, 10 miles, 10k, 5k

FilledTicket£10 – £30
Booking perksFlat road
HeartOutline
Hubble Bubble
Booked 25 times this week

Saturday, Oct 29, 2022

Hubble Bubble

LocationIndicator

Leeds, West Yorkshire

Participants

5k, 10k, 10 miles, half marathon, marathon, ultramarathon

FilledTicket£13 – £50
Booking perksGreat sceneryTrail
HeartOutline
Showing 25 - 48 of 434 events

About half marathons in the UK

Half marathons are the among the most popular running events in the United Kingdom. A half marathon is a running race, usually taking place on roads (rather than trails), over a distance of 13.1 miles (21.1km). There are over 500 half marathons happening in the UK every year, including the largest half marathon in the world, the Great North Run which takes place in Newcastle in September and attracts more than 57,000 runners. If you're looking to make the jump to the full 26.2 miles, check out our list of UK marathons, or if you're after something shorter or want a training race, here is our calendar of 10k runs.

Frequently asked questions

What are the best half marathons in the UK?
There are a number of popular half marathons in the UK. For big crowds and closed roads, Hackney Half Marathon, Reading Half Marathon, Bath Half Marathon, The Big Half, and London Landmarks Half Marathon are popular spring choices. To enjoy the summer training, The Great Birmingham Run, Royal Parks Half, Cardiff Half, and, of course, the legendary Great North Run are amongst the biggest autumn races.
For something more local, there are hundreds of smaller races all over the country organised by local running clubs and race directors.
How far is a half marathon?
A half marathon is 13.1 miles or 21.1 km long, exactly half the length of a marathon.
What is the world record for a half marathon?
The men's world record for a half marathon is 58:01 minutes, held by Kenyan Geoffrey Kamworor, and the women's record is 64:51 minutes, set by Joyciline Jepkosgei, also from Kenya.
What is the fastest half marathon in the world?
Both the men’s and women’s world records for the half marathon were set at the Valencia Half Marathon in Spain.
What is the average finish time for half marathons?
The average half marathon finish time across all runners over the last few years is about 1h54m for men and 2h10m for women.
How long does it take to train for a half marathon?
Training for a half marathon takes at least 12 weeks for a beginner, approximately 8 weeks for an intermediate runner, and as little as 6 weeks for a more experienced runner already in the habit of running. There are many training plans available to prepare for a half marathon.
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