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- Cheltenham Running Festival - June7JUN
Cheltenham Running Festival - June
Running ‧ Cheltenham13.1 mi • 6.2 mi • 3.1 mi£20 – £26 - Hertfordshire Half Marathon22NOV
Hertfordshire Half Marathon
Half Marathon ‧ Stevenage13.1 mi£34(7) - BHF Blenheim Palace Half Marathon27SEP
BHF Blenheim Palace Half Marathon
Running ‧ Woodstock13.1 mi • 6.2 mi • 1.2 mi£5 – £35 - Leamington Spa Half Marathon5JUL
Leamington Spa Half Marathon
Half Marathon ‧ Leamington Spa13.1 mi • 0.6 miFree – £34(56) - Run Aintree 5K, 10K & Half – July26JUL
Run Aintree 5K, 10K & Half – July
Running ‧ Liverpool13.1 mi • 6.2 mi • 3.1 mi£20 – £26(8) - Milton Keynes Winter Half Marathon13DEC
Milton Keynes Winter Half Marathon
Half Marathon ‧ Milton Keynes13.1 mi£28 – £32(5) - Maidenhead Half Marathon & Fun Run - September6SEP
Maidenhead Half Marathon & Fun Run - September
Half Marathon ‧ Maidenhead13.1 mi • 1.5 mi£32 – £34(11) - Bridgwater Half Marathon6SEP
Bridgwater Half Marathon
Running ‧ Bridgwater13.1 mi • 6.2 mi • 3.1 mi£8 – £27.29 - Royal Windsor Half Marathon & 10k River Trail Run17MAY
Royal Windsor Half Marathon & 10k River Trail Run
Running ‧ Windsor13.1 mi • 6.2 mi£25 – £35(54) - Britain’s Ocean City Half Marathon17MAY
Britain’s Ocean City Half Marathon
Half Marathon ‧ Plymouth13.1 mi£33 – £41(1) - Boston Marathon UK13SEP
Boston Marathon UK
Running ‧ Boston26.2 mi • 13.1 mi • 3.0 mi£5 – £20(15) - Kenilworth Half Marathon13SEP
Kenilworth Half Marathon
Half Marathon ‧ Kenilworth13.1 mi • 0.6 mi£29 – £31(3) - RunThrough Colchester Stampede Half Marathon4OCT
RunThrough Colchester Stampede Half Marathon
Half Marathon ‧ Colchester13.1 mi£34(2) - Kilomathon Scotland5APR
Kilomathon Scotland
Half Marathon ‧ Edinburgh8.1 mi • 4.1 mi • 1.6 mi£18 – £25 - Holme Pierrepont Half Marathon18OCT
Holme Pierrepont Half Marathon
Half Marathon ‧ Holme Pierrepont13.1 mi£25 - The Asda Foundation Hull Running Festival19APR
The Asda Foundation Hull Running Festival
Running ‧ Hull13.1 mi • 6.2 mi(11) - Cheshire Half Marathon12SEP
Cheshire Half Marathon
Half Marathon ‧ Siddington13.1 mi£26 - The Tonbridge Half Marathon11OCT
The Tonbridge Half Marathon
Half Marathon ‧ Tonbridge13.1 mi£24 – £26(18) - Running Grand Prix at Goodwood Motor Circuit- July5JUL
Running Grand Prix at Goodwood Motor Circuit- July
Running ‧ Chichester26.2 mi • 20.0 mi • 13.1 mi • 6.2 mi • 3.1 mi£21 – £32 - Tewkesbury Half Marathon10MAY
Tewkesbury Half Marathon
Half Marathon ‧ Tewkesbury13.1 mi£30 – £32(8) - The Northants 'Shires and Spires Event' - Ultra 35, Marathon, Half Marathon, 10K16MAY
The Northants 'Shires and Spires Event' - Ultra 35, Marathon, Half Marathon, 10K
Running ‧ Naseby35.0 mi • 26.6 mi • 13.4 mi • 6.2 mi£22 – £50 - Northampton Half Marathon & Size 627SEP
Northampton Half Marathon & Size 6
Half Marathon ‧ Northampton13.1 mi • 6.9 mi£23 – £32 - New Forest Marathon, Half Marathon, 10k & 5k13SEP
New Forest Marathon, Half Marathon, 10k & 5k
Running ‧ Brockenhurst26.2 mi • 13.1 mi • 6.2 mi • 3.1 mi • 0.9 mi£12 – £49(5) - Hitchin Hard Half Marathon, 10K, 5K28JUN
Hitchin Hard Half Marathon, 10K, 5K
Running ‧ Hitchin13.1 mi • 6.2 mi • 3.1 mi£8 – £22(2)
Showing 25 - 48 of 278 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.
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.