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Marathons

Running a full marathon is still the classic test for any runner. 26.2 miles (42km) is short enough to be achievable by most people - after a lot of hard training - but definitely long enough and tough enough to make it one of life's most memorable experiences.

From small, locally organised marathons, to the biggest races on the globe, attracting tens of thousands of runners, the Find a Race event calendar lists over 200 marathons every year all over the UK and beyond. So whether you’re looking for your nearest trail marathon or the buzz of a big-city road-race, check out our comprehensive 2025 - 2026 marathon list below: and hit the “Refine” button above to tailor your search.

Looking for a marathon outside the UK? Check out our list of International Marathons. If 26.2 miles doesn't feel tough enough, think about trying a challenging Ultra Marathon. And if you're not quite ready for a Full Marathon yet? See our Half Marathon Calendar.


Fancy an active trip away? Check out our Running Holidays page which lists international running trips and breaks. Or if you're looking for a great running challenge that you can take part in from anywhere, check out our virtual running events.

Marathons 2025 - 2026

🚀Boosted

Altra Kielder Marathon Weekend 2025

Hexham, Northumberland
04 Oct 25 - 05 Oct 25
£8.00 - £83.00
3.7
🚀Boosted

MBNA Chester Marathon

Chester, Cheshire
05 Oct 25
£65.30

SunTime RunTime - 5k,10k, Half Marathon, Full Marathon & Ultra-Marathon

Brandon Country Park, IP27 0SU
13 Jul 25
£33.00 - £36.00

PHOENIX - Manta Ray Run

Walton-on-Thames, Surrey
13 Jul 25
£22.00 - £40.00

Rasselbock Marathon and Half Marathon 2025

Mansfield, Nottinghamshire
13 Jul 25
£19.95 - £49.95
4.7

Midweek Medal Madness Run

Wraysbury Skiff & Punting Club, Egham, TW20 0AE
18 Jul 25
£27.00

PHOENIX Fridays - Run for Fun Friday 2025

Walton-on-Thames, Surrey
18 Jul 25
£26.00 - £33.00

My Little Care Bear Run - Wales

Dare Valley Country Park, Aberdare, CF44 7PS
19 Jul 25
£27.00 - £35.00

PHOENIX - Pink Elephant Run

Walton-on-Thames, Surrey
19 Jul 25
£22.00 - £40.00

Gower Peninsula Ultra Challenge

Swansea, West Glamorgan
19 Jul 25 - 20 Jul 25
£39.00 - £199.00

Belvoir Castle Triathlon & Mulitsport

Grantham, Belvoir, Leicestershire
19 Jul 25 - 20 Jul 25
£35.00 - £245.00
5.0

Offer

10% OFF

Bright Skies Surrey Hills

Denbies Wine Estate, Bradley Lane, Dorking. RH5 6AA
20 Jul 25
£8.70 - £57.51
3.8

TriBourne Festival of Endurance

Eastbourne, East Sussex
20 Jul 25
£46.00 - £399.00

Belvoir Castle Run Series

Grantham, Belvoir, Leicestershire
20 Jul 25
£35.00 - £65.00

Offer

10% OFF

Eastbourne Marathon

Eastbourne, East Sussex
20 Jul 25
£56.00

BigHeat Trails (FIRE)

The Royal School, Farnham Lane, Haslemere, GU27 1HQ
20 Jul 25
£41.60 - £53.28

Great Barrow Challenge Day 1

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
24 Jul 25
£35.00
4.0

The Great Barrow Challenge Day 2

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
25 Jul 25
£35.00
4.0

PHOENIX Fridays - Fellowship of the Run Friday

Walton-on-Thames, Surrey
25 Jul 25
£26.00 - £33.00

Great Barrow Challenge Day 3

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
26 Jul 25
£35.00
4.0

Great Barrow Challenge Day 4

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
27 Jul 25
£35.00
4.0

AIRE Marathon & Half Marathon

Piglove By The River, Clarence Rd, Leeds LS10 1EE
27 Jul 25 - 28 Jul 25
£38.42 - £43.73

Great Barrow Challenge Day 5

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
28 Jul 25
£35.00
4.0

Great Barrow Challenge Day 6

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
29 Jul 25
£35.00
4.0

Great Barrow Challenge Day 7

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
30 Jul 25
£35.00
4.0

Great Barrow Challenge Day 8

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
31 Jul 25
£35.00
4.0

Great Barrow Challenge Day 9

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
01 Aug 25
£35.00
4.0

Midweek Chasing Numbers Aug 2025

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
01 Aug 25
£27.00

Great Barrow Challenge Day 10

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
02 Aug 25
£35.00
4.0

Football League Original 12 Run

Milton Keynes, Buckinghamshire
02 Aug 25 - 03 Aug 25
£36.99 - £42.99

RUNNING GP BEDFORD AUTODROME

Bedford, Bedfordshire
03 Aug 25
£30.00 - £152.00
4.7

The Ultra Loop - Run As Many 5km Loops As You Can in 8 hours

Leeds, West Yorkshire
09 Aug 25
£34.00

Brecon Beacons Trails

Brecon, Talybont-on-Usk, Powys
09 Aug 25
£37.00 - £352.00

Great British Bake Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
09 Aug 25
£27.00 - £35.00
4.5

PHOENIX - The Painted Cow Run

Dorking, Surrey
09 Aug 25
£22.00 - £39.95

PHOENIX - Prosecco Run

Dorking, Surrey
10 Aug 25
£22.00 - £39.95
5.0

The Pierrepont Plod - Summer 2025

Nottingham, Nottinghamshire
10 Aug 25
£39.50
5.0

Midweek Medal Madness Run August

Wraysbury Skiff & Punting Club, Egham, TW20 0AE
15 Aug 25
£27.00

Medal Madness - Summer 2025

Heanor, Derbyshire
17 Aug 25
£29.00
5.0

Two Tunnels Railway Races (Ultra, Marathon, Half Marathon, 10km, 5km, Colourburst)

Bath, Bath and North East Somerset
17 Aug 25
£10.80 - £81.00
4.6

You Crazy Fool Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
17 Aug 25
£27.00 - £35.00

PHOENIX - Summer Marathon & Half Marathon

Sunbury on Thames, Middlesex
23 Aug 25
£33.50
Showing 121-160 of 271 results

How long do you train for a marathon?

The typical training duration for a marathon is usually around 16 to 20 weeks. During this period, runners focus on gradually preparing their hearts, muscles, and mind for the physical and mental demands of the race. It is crucial to follow a well-structured training plan that gradually increases the intensity, allowing for improvements in fitness and endurance.

Marathon events shouldn’t be taken lightly - training should last around 16-20 weeks to allow the body to gradually improve cardiovascular fitness, strengthen muscles and learn how to mentally manage a long-distance run. As a rough guide, you should be looking to run 4 or 5 days a week logging around 45 miles. Your training runs will never be quite as long as the full race and it is a great idea to incorporate cross-training to help build speed and endurance.

How long will it take me to run a marathon?

In 2022 the average male finish time for the London marathon was 4hr 21 minutes with the average female finish time only just behind this at 4hr 57 minutes. For many marathon runners, a great aim is to finish under 4 hours, however, this isn’t easily achieved - especially if it is your first time running a race of this distance.

Are there any races longer than a Marathon?

If you’re looking for an even bigger challenge, Ultra Marathons might just be for you. Anything above the traditional 26.2 miles is considered an Ultra Marathon, with common distances including 50k, 100k, 50 miles or 100 miles.