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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.

396 events found
New Forest Off-Road Half Marathon - Hinton Admiral
Booked 14 times this week

Saturday, 18 Mar 2023

New Forest Off-Road Half Marathon - Hinton Admiral

LocationIndicator

Burton, Dorset

Participants

half marathon, 10k

Star4

(34 reviews)

FilledTicket£27.50 – £40
Booking perksGreat atmosphereFlat trail
Heart
RunThrough Victoria Park 5k, 10k & Half Marathon - March
Booked 18 times this week

Sunday, 19 Mar 2023

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

LocationIndicator

London, Greater London

Participants

5k, 10k, half marathon

Star4.5

(12 reviews)

FilledTicket£20.83 – £30
Booking perksGreat atmosphereFlat trail
Heart
Run Heaton 5k, 10k & Half Marathon - March
Booked 33 times this week

Sunday, 19 Mar 2023

Run Heaton 5k, 10k & Half Marathon - March

LocationIndicator

Manchester, Greater Manchester

Participants

5k, 10k, half marathon

Star4

(1 reviews)

FilledTicket£18.40 – £26
Booking perksGreat atmosphereFlat trail
Heart
TEC Snowdonia - The Spring Crossing
Booked 21 times this week

Saturday, 25 Mar 2023

TEC Snowdonia - The Spring Crossing

LocationIndicator

Rhyd-Ddu, Gwynedd

Participants

ultramarathon, marathon, half marathon

FilledTicket£33 – £80
Booking perksGreat sceneryTrail
Heart
Queen Elizabeth Off-Road Half Marathon
Booked 20 times this week

Sunday, 26 Mar 2023

Queen Elizabeth Off-Road Half Marathon

LocationIndicator

Horndean, Hampshire

Participants

half marathon

Star4.5

(26 reviews)

FilledTicket£27.50 – £40
Booking perksGreat atmosphereTrail
Heart
Hastings Half Marathon
Booked 22 times this week

Sunday, 26 Mar 2023

Hastings Half Marathon

LocationIndicator

Saint Leonards, East Sussex

Participants

half marathon

Star5

(7 reviews)

FilledTicket£5 – £37
Booking perksGreat atmosphereRoad
Heart
RunThrough Richmond Park Half Marathon - April
Booked 26 times this week

Sunday, 2 Apr 2023

RunThrough Richmond Park Half Marathon - April

LocationIndicator

London, Greater London

Participants

half marathon

FilledTicket£25 – £48
Booking perksFlat trail
Heart
RunThrough Cannock Chase Running Festival
Booked 16 times this week

Sunday, 16 Apr 2023

RunThrough Cannock Chase Running Festival

LocationIndicator

Rugeley, Staffordshire

Participants

5k, 10k, half marathon

Star4.5

(72 reviews)

FilledTicket£24 – £28
Booking perksGreat atmosphereFlat trail
Heart
TEC Wye Valley Trail Running Challenge
Booked 14 times this week

Saturday, 22 Apr 2023

TEC Wye Valley Trail Running Challenge

LocationIndicator

Ross-on-Wye, Herefordshire

Participants

ultramarathon, marathon, half marathon

FilledTicket£33 – £68
Booking perksGreat sceneryFlat trail
Heart
The Rathfinny Run
Booked 16 times this week

Sunday, 23 Apr 2023

The Rathfinny Run

LocationIndicator

Polegate, East Sussex

Participants

half marathon, 10k

Star5

(50 reviews)

FilledTicket£23 – £35
Booking perksGreat atmosphereGreat sceneryFlat trail
Heart
RunThrough Gateshead Half Marathon & 10k 2023
Booked 25 times this week

Sunday, 30 Apr 2023

RunThrough Gateshead Half Marathon & 10k 2023

LocationIndicator

Gateshead, Tyne and Wear

Participants

half marathon, 10k

FilledTicket£21.70 – £44
Booking perksRoad
Heart
TEC Brecon Beacons Trail Challenge
Booked 25 times this week

Saturday, 6 May 2023

TEC Brecon Beacons Trail Challenge

LocationIndicator

Talybont-on-Usk, Powys

Participants

ultramarathon, marathon, half marathon, 10k

FilledTicket£33 – £68
Booking perksFlat trail
Heart
RunThrough Battersea Park Half Marathon - May 2023
Booked 15 times this week

Saturday, 13 May 2023

RunThrough Battersea Park Half Marathon - May 2023

LocationIndicator

London, Greater London

Participants

half marathon

Star4.5

(47 reviews)

FilledTicket£23.40 – £30
Booking perksGreat atmosphereFlat trail
Heart
The Albert Goodman Weston Super Half
Booked 19 times this week

Sunday, 14 May 2023

The Albert Goodman Weston Super Half

LocationIndicator

Weston-super-Mare, North Somerset

Participants

half marathon

FilledTicket£5 – £44
Booking perksRoad
Heart
The Elysium Healthcare Great West Run 2023
Booked 37 times this week

Sunday, 21 May 2023

The Elysium Healthcare Great West Run 2023

LocationIndicator

Exeter, Devon

Participants

half marathon, 10k

FilledTicket£5 – £39.60
Booking perksFlat road
Heart
The Fox Half Marathon, Marathon and Ultra Trail
Booked 15 times this week

Saturday, 27 May 2023

The Fox Half Marathon, Marathon and Ultra Trail

LocationIndicator

Godalming, Surrey

Participants

half marathon, marathon, ultramarathon

FilledTicket£20 – £57
Booking perksTrail
Heart
Run Cheltenham
Booked 21 times this week

Sunday, 3 Sept 2023

Run Cheltenham

LocationIndicator

Cheltenham, Gloucestershire

Participants

half marathon, 10k

FilledTicket£3 – £40
Booking perksGreat sceneryFlat road
Heart
RunThrough Ladybower Reservoir Running Festival - October 2023
Booked 20 times this week

Saturday, 14 Oct 2023

RunThrough Ladybower Reservoir Running Festival - October 2023

LocationIndicator

Hope Valley, Derbyshire

Participants

ultramarathon, half marathon

FilledTicket£26 – £62
Booking perksGreat sceneryTrail
Heart
Run Alton Towers - Half Marathon & 5k 2023
Booked 13 times this week

Sunday, 12 Nov 2023

Run Alton Towers - Half Marathon & 5k 2023

LocationIndicator

Alton, Staffordshire

Participants

half marathon, 5k

FilledTicket£18 – £54
Booking perksFlat trail
Heart
Sea 2 Summit Winter - Half, Full and Ultra Marathon
Booked 2 times this week

Sunday, 11 Dec 2022

Sea 2 Summit Winter - Half, Full and Ultra Marathon

LocationIndicator

Prestatyn, Denbighshire

Participants

ultramarathon, half marathon

FilledTicket£25 – £45
Booking perksGreat sceneryHilly trail
Heart
'Twas the Run before Christmas
Booked 10 times this week

Sunday, 11 Dec 2022

'Twas the Run before Christmas

LocationIndicator

Brandon, Suffolk

Participants

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

FilledTicket£26 – £33
Booking perksFlat trail
Heart
Christmas Canter Race
Booked 3 times this week

Saturday, 17 Dec 2022

Christmas Canter Race

LocationIndicator

Horseheath, Cambridgeshire

Participants

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

Star4.5

(3 reviews)

FilledTicket£28 – £35
Booking perksGreat atmosphereFlat trail
Heart
Running Tribe Series - Race 12, Course 3
Booked 1 time this week

Saturday, 17 Dec 2022

Running Tribe Series - Race 12, Course 3

LocationIndicator

Chalfont Saint Peter, Buckinghamshire

Participants

10k, half marathon, marathon, ultramarathon

FilledTicket£48
Booking perksGreat sceneryFlat trail
Heart
Run In Events - Santa Dash 3k & 5k

Sunday, 18 Dec 2022

Run In Events - Santa Dash 3k & 5k

LocationIndicator

Ilkeston, Derbyshire

Participants

5k, half marathon, 10k

FilledTicket£20 – £22
Booking perksFlat road
Heart
Showing 49 - 72 of 396 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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