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Jump to: UK 5ks  •  UK 10ks  •  UK Marathons  •  London Running  •  London Half Marathons
Running EventsHalf Marathons

Half Marathons

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.

305 events found
Water of Life - Marlow to Henley Half Marathon & 10k
Booked 50 times this week

Sunday, 24th Oct 2021

Water of Life - Marlow to Henley Half Marathon & 10k

LocationIndicator

Bisham, Windsor and Maidenhead

Participants

half marathon, 10k

Star4.5

(7 reviews)

FilledTicket£20 – £25
Great atmosphereTrail
Bookmark
Tavy 13

Sunday, 31st Oct 2021

Tavy 13

LocationIndicator

Tavistock, Devon

Participants

half marathon

Star3.5

(1 reviews)

FilledTicketPrice TBC
Great atmosphere
Bookmark
Poppy Half Marathon

Saturday, 13th Nov 2021

Poppy Half Marathon

LocationIndicator

Bexhill, East Sussex

Participants

half marathon, 10k, 5k, ultramarathon

Star4.5

(3 reviews)

FilledTicket£15 – £32
Great atmosphere
Bookmark
Grand Union Canal Half Marathon Autumn

Sunday, 14th Nov 2021

Grand Union Canal Half Marathon Autumn

LocationIndicator

Uxbridge, Greater London

Participants

half marathon

Star4.5

(12 reviews)

FilledTicket£30
Great atmosphereFlat trail
Bookmark
Wooler Trail Marathon & Half

Saturday, 20th Nov 2021

Wooler Trail Marathon & Half

LocationIndicator

Northumberland, Northumberland

Participants

marathon, half marathon

Star4.5

(5 reviews)

FilledTicketPrice TBC
Great atmosphere
Bookmark
The AVR Wiltshire Half Marathon

Sunday, 28th Nov 2021

The AVR Wiltshire Half Marathon

LocationIndicator

Edington, Wiltshire

Participants

half marathon

FilledTicketPrice TBC
Flat
Bookmark
Secret Santa 12k & Half Marathon

Saturday, 4th Dec 2021

Secret Santa 12k & Half Marathon

LocationIndicator

Llanbedr, Powys

Participants

half marathon

FilledTicket£30 – £42
Great sceneryHilly trail
Bookmark
Maverick Adidas Terrex Original - Oxfordshire

Saturday, 4th Dec 2021

Maverick Adidas Terrex Original - Oxfordshire

LocationIndicator

Stonor, Oxfordshire

Participants

half marathon

Star5

(15 reviews)

FilledTicketPrice TBC
Great atmosphereGreat scenery
Bookmark
Chepstow Racecourse 5k, 10k & Half Marathon - December

Sunday, 12th Dec 2021

Chepstow Racecourse 5k, 10k & Half Marathon - December

LocationIndicator

Chepstow, Monmouthshire

Participants

5k, 10k, half marathon

FilledTicket£24 – £28
Flat road
Bookmark
Run Fest Wales

Sunday, 19th Dec 2021

Run Fest Wales

LocationIndicator

Rhyl, Denbighshire

Participants

5k, 10k, half marathon

FilledTicketPrice TBC
Bookmark
The Fix Events Richmond Park Xmas 5k, 10k, and Half Marathon
Booked 6 times this week

Sunday, 19th Dec 2021

The Fix Events Richmond Park Xmas 5k, 10k, and Half Marathon

LocationIndicator

Richmond, Greater London

Participants

10k, 5k, half marathon

FilledTicket£18 – £23
Flat trail
Bookmark
Run Richmond Park 5k, 10k & Half Marathon
Booked 2 times this week

Sunday, 23rd Jan 2022

Run Richmond Park 5k, 10k & Half Marathon

LocationIndicator

Richmond, Greater London

Participants

10k, 5k, half marathon

Star4

(6 reviews)

FilledTicket£18 – £23
Great atmosphereFlat trail
Bookmark
Portland Coastal Marathon, Half Marathon &10k 2022

Sunday, 6th Feb 2022

Portland Coastal Marathon, Half Marathon &10k 2022

LocationIndicator

Portland, Dorset

Participants

10k, half marathon, marathon

FilledTicketPrice TBC
Great sceneryHilly trail
Bookmark
Sublime Long Sutton Spring 10k & Half Marathon

Sunday, 13th Mar 2022

Sublime Long Sutton Spring 10k & Half Marathon

LocationIndicator

Long Sutton, Lincolnshire

Participants

10k, half marathon

FilledTicketPrice TBC
Flat
Bookmark
Merthyr Half Marathon

Sunday, 20th Mar 2022

Merthyr Half Marathon

LocationIndicator

Merthyr Tydfil, Merthyr Tydfil County Borough

Participants

half marathon

FilledTicketPrice TBC
Bookmark
Blacks to the Beacons Marathon and 50 Mile Ultra Marathon, Half Marathon & 10k

Saturday, 30th Apr 2022

Blacks to the Beacons Marathon and 50 Mile Ultra Marathon, Half Marathon & 10k

LocationIndicator

Llanbedr, Powys

Participants

ultramarathon, marathon, half marathon, 10k

FilledTicket£30 – £80
Great sceneryHilly trail
Bookmark
Erewash Half Marathon 2022

Saturday, 13th Aug 2022

Erewash Half Marathon 2022

LocationIndicator

Long Eaton, Derbyshire

Participants

half marathon

Star5

(2 reviews)

FilledTicketPrice TBC
Great atmosphereFlat trail
Bookmark
Maldon Half Marathon

Sunday, 25th Sep 2022

Maldon Half Marathon

LocationIndicator

Maldon, Essex

Participants

half marathon

FilledTicketPrice TBC
Bookmark
Stirling Scottish Marathon

Sunday, 24th Oct 2021

Stirling Scottish Marathon

LocationIndicator

Stirling, Stirling

Participants

5k, half marathon

FilledTicketPrice TBC
Bookmark
TRIBE x Maverick Run Free Surrey

Saturday, 30th Oct 2021

TRIBE x Maverick Run Free Surrey

LocationIndicator

Chilworth, Surrey

Participants

half marathon, 10k

FilledTicketPrice TBC
Bookmark
Bangor Half Marathon and Bangor 10k

Sunday, 31st Oct 2021

Bangor Half Marathon and Bangor 10k

LocationIndicator

Bangor, Gwynedd

Participants

10k, half marathon

Star4.5

(1 reviews)

FilledTicketPrice TBC
Great atmosphereFlat
Bookmark
Hardmoors 26.2 Trail Marathon Series – Goathland

Saturday, 6th Nov 2021

Hardmoors 26.2 Trail Marathon Series – Goathland

LocationIndicator

Goathland, North Yorkshire

Participants

10k, half marathon

FilledTicketPrice TBC
Great sceneryFlat
Bookmark
DirtRun Wyre Wizard Trail Half Marathon

Sunday, 7th Nov 2021

DirtRun Wyre Wizard Trail Half Marathon

LocationIndicator

Kidderminster, Worcestershire

Participants

half marathon

FilledTicketPrice TBC
Bookmark
Hardmoors 13.1: Goathland

Sunday, 7th Nov 2021

Hardmoors 13.1: Goathland

LocationIndicator

Middlesbrough, North Yorkshire

Participants

half marathon

FilledTicketPrice TBC
Bookmark
Showing 241 - 264 of 305 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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