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- 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) - Hell-Fire Half and 10K12JUL
Hell-Fire Half and 10K
Running ‧ High Wycombe13.1 mi • 6.2 mi£16 – £24(11) - RunThrough Goodwood Motor Circuit Grand Prix - September27SEP
RunThrough Goodwood Motor Circuit Grand Prix - September
Running ‧ Chichester26.1 mi • 20.0 mi • 13.0 mi • 6.2 mi • 3.1 mi£21 – £32(2) - Frome Half Marathon, 5K, 10K & Junior Race - July19JUL
Frome Half Marathon, 5K, 10K & Junior Race - July
Running ‧ Frome13.1 mi • 6.2 mi • 3.1 mi • 0.6 mi£4.50 – £22.50(14) - Caterham Rotary Half Marathon & 10K19JUL
Caterham Rotary Half Marathon & 10K
Running ‧ Redhill13.1 mi • 6.2 mi£15 – £24(6) - Weston Super Half29MAR
Weston Super Half
Half Marathon ‧ Weston-super-Mare13.1 mi • 1.0 mi(3) - The Royal Borough of Kingston Half Marathon11OCT
The Royal Borough of Kingston Half Marathon
Half Marathon ‧ Kingston upon Thames13.1 mi£35.40 – £37.40(4) - Conquer Crystal Palace 5k, 10k, 15k and Half Marathon12SEP
Conquer Crystal Palace 5k, 10k, 15k and Half Marathon
Running ‧ London13.1 mi • 9.3 mi • 6.2 mi • 3.1 mi£16 – £22(1) - RunThrough Bedford Autodrome Grand Prix – October18OCT
RunThrough Bedford Autodrome Grand Prix – October
Running ‧ Bedford26.2 mi • 20.0 mi • 16.0 mi • 13.1 mi • 6.2 mi • 3.1 mi£20 – £32(1) - Burnham Beeches Half marathon and 10K - August9AUG
Burnham Beeches Half marathon and 10K - August
Running ‧ Slough13.1 mi • 6.2 mi£18 – £26(2) - Gateshead Half Marathon30AUG
Gateshead Half Marathon
Half Marathon ‧ Gateshead13.1 mi£28 - Canterbury Half Marathon31AUG
Canterbury Half Marathon
Half Marathon ‧ Canterbury13.1 mi • 2.0 mi • 1.0 mi£4 – £25(20) - Dorney Lake Autumn Duathlon & Run5SEP
Dorney Lake Autumn Duathlon & Run
Multi-Sport ‧ Dorney13.1 mi • 9.3 mi • 6.2 mi • 3.1 mi£20 – £60(8) - Glencoe Marathon Gathering6SEP
Glencoe Marathon Gathering
Running ‧ Glencoe26.2 mi • 13.1 mi£45 – £55(2) - Wimbledon Common Half Marathon – June14JUN
Wimbledon Common Half Marathon – June
Half Marathon ‧ London13.1 mi£30(2) - Winchester Half Marathon20SEP
Winchester Half Marathon
Half Marathon ‧ Winchester13.1 mi • 1.0 mi£5 – £34.99 - Henley Half Marathon & 10k Trail Run10MAY
Henley Half Marathon & 10k Trail Run
Running ‧ Henley-on-Thames13.1 mi • 6.2 mi£23 – £32(21) - RunThrough Goodwood Motor Circuit Grand Prix - December6DEC
RunThrough Goodwood Motor Circuit Grand Prix - December
Running ‧ Chichester26.2 mi • 20.0 mi • 13.1 mi • 6.2 mi • 3.1 mi£21 – £32(1) - Running Grand Prix Oulton Park – December6DEC
Running Grand Prix Oulton Park – December
Running ‧ Tarporley26.2 mi • 20.0 mi • 16.0 mi • 13.0 mi • 6.2 mi • 3.1 mi£20 – £32(5) - Causeway Coast Marathon26SEP
Causeway Coast Marathon
Multi-Sport ‧ Portballintrae40.0 mi • 26.2 mi • 13.1 mi • 6.2 mi£27.50 – £62(7) - The Folkestone Rotary Half Marathon27SEP
The Folkestone Rotary Half Marathon
Half Marathon ‧ Folkestone13.1 mi£21 – £23(7) - MK Autumn Run3OCT
MK Autumn Run
Running ‧ Milton Keynes13.1 mi • 6.2 mi • 1.2 mi • 0.6 mi£10 – £33
Showing 49 - 72 of 291 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.