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Flat Marathons in UK

Find flat marathons in UK in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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Take on this out and back course to really get in the Christmas spirit. This event isn't just about the race itself, the activities at Race HQ are bound start a jolly atmosphere!
  • Sat 13 Dec
  • £39-£41
Leeds, West Yorkshire, UK

Crikey its the Christmas Cracker | Day 1 | Marathon

Take on this out and back course to really get in the Christmas spirit. This event isn't just about the race itself, the activities at Race HQ are bound start a jolly atmosphere!

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 299 ft ascent
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
  • Sun 14 Dec
  • £37.50-£39.50
Bournemouth, Dorset, UK

SoBo Series | Volume 1 | Step into Christmas

Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.

  • Beginner-friendly
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Event village
  • Coast
  • Public transport links
  • Age 18 & over
  • 7 hrs road running
An out and back course to really get you in the Christmas spirit with activities at Race HQ bound start a jolly atmosphere, whether you want a PB or to challenge yourself over marathon distance.
  • Sun 14 Dec
  • £39-£41
Leeds, West Yorkshire, UK

Crikey its the Christmas Cracker | Day 2 | Marathon

An out and back course to really get you in the Christmas spirit with activities at Race HQ bound start a jolly atmosphere, whether you want a PB or to challenge yourself over marathon distance.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 299 ft ascent
Come and join the day of running and aim to complete a marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
  • Fri 26 Dec
  • £33-£35
Egham, Surrey, UK

Boxing Day Challenge | Marathon

Come and join the day of running and aim to complete a marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Enjoy a trip up the Leeds and Liverpool Canal this winter on your choice of distance, along the flat towpath for runners of all abilities, from novices to PB chasers!
  • Sun 11 Jan 2026
  • £15-£58
Skipton, North Yorkshire, UK

Skipton Sweetie Skedaddle

Enjoy a trip up the Leeds and Liverpool Canal this winter on your choice of distance, along the flat towpath for runners of all abilities, from novices to PB chasers!

  • Families
  • Beginner-friendly
  • Event village
  • Age 11 & over
  • 5K run
  • 10K run
  • Half marathon
  • Trail run
  • Marathon
  • + 2 more races
Happy New Year Run along the Leeds and Liverpool Canal with a choice of distances, all along the flat, even towpath. This event is perfect for runners of all abilities from novices to PB chasers!
  • Sat 17 Jan 2026
  • £40-£42
Shipley, West Yorkshire, UK

Sir Titus Pie n Pickle Plod | Marathon

Happy New Year Run along the Leeds and Liverpool Canal with a choice of distances, all along the flat, even towpath. This event is perfect for runners of all abilities from novices to PB chasers!

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 276 ft ascent
Enjoy a trip up the Leeds and Liverpool Canal this Valentines. Perfect for runners of all abilities, from novices to Ultra PB chasers, this is one to warm the depths of your heart.
  • Sat 14 Feb 2026
  • £15-£56
Bingley, West Yorkshire, UK

Besotted at Bingley

Enjoy a trip up the Leeds and Liverpool Canal this Valentines. Perfect for runners of all abilities, from novices to Ultra PB chasers, this is one to warm the depths of your heart.

  • Beginner-friendly
  • Event village
  • Age 16 & over
  • 5K run
  • 10K run
  • Half marathon
  • Trail run
  • Marathon
  • + 2 more races
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
  • Sun 15 Feb 2026
  • £37.50-£39.50
Bournemouth, Dorset, UK

SoBo Series | Volume 2 | My Funny Valentine

Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.

  • Beginner-friendly
  • Enter online
  • Flat
  • Traffic free
  • Event village
  • Coast
  • Age 18 & over
  • 7 hrs road running + 0 ft ascent
The Magna Carta Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
  • Sat 21 Feb 2026
  • £53-£55
Egham, Surrey, UK

Magna Carta Winter | Marathon

The Magna Carta Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.

  • Chip timing
  • Enter online
  • Flat
  • Traffic free
  • Age 17-80
  • 26.2 miles trail running + 150 ft ascent
Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great runner support.
  • Sun 8 Mar 2026
  • £53-£55
London, UK

Thames Meander Spring | Marathon

Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great runner support.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 600 ft ascent
Fast, flat, PB-grabbing event on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. All levels of runner welcome.
  • Sat 14 Mar 2026
  • £40-£42
Leeds, West Yorkshire, UK

Spring Time Canal Canter | Marathon

Fast, flat, PB-grabbing event on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. All levels of runner welcome.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 299 ft ascent
Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.
  • Sun 29 Mar 2026
  • £40-£42
Shipley, West Yorkshire, UK

Sir Titus March Mayhem | Marathon

Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 276 ft ascent
A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.
  • Sun 29 Mar 2026
  • £33
Romney Marsh, Kent, UK

Brett Lydd 20 Mile

A delectable racing experience perfect for those planning a spring marathon, over a pancake flat course using the wide, quiet country lanes surrounding the marsh town of Lydd in Kent.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Age 18 & over
  • 20 miles road running + 3 ft ascent
You'd be an April Fool to miss this one. Enjoy a trip up the flat and event towpath of the Leeds and Liverpool Canal from Rodley. One to warm the depths of your heart.
  • Sun 5 Apr 2026
  • £40-£42
Leeds, West Yorkshire, UK

Lets Motor along the Towpath | Rodley | Marathon

You'd be an April Fool to miss this one. Enjoy a trip up the flat and event towpath of the Leeds and Liverpool Canal from Rodley. One to warm the depths of your heart.

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 381 ft ascent
Experience the UK’s friendliest and flattest major marathon with huge crowd support on a route with PB potential plus chunky medals and relay options.
  • Sun 19 Apr 2026
  • £30
  • 4 charities
Manchester, Greater Manchester, UK

adidas Manchester Marathon

Experience the UK’s friendliest and flattest major marathon with huge crowd support on a route with PB potential plus chunky medals and relay options.

  • Trees not tees
  • Venue accessible
  • Recycling
  • Beginner-friendly
  • Entertainment
  • Chip timing
  • Flat
  • PB
  • Traffic free
  • Fancy dress
  • Urban
  • Sustainability policy
  • Relay
  • Age 18 & over
  • 26.2 miles road running
Come and join the day of running and aim to complete a midweek marathon within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!
  • Mon 4 May 2026
  • £20-£27
Staines, Surrey, UK

Bank Holiday Madness May | Marathon

Come and join the day of running and aim to complete a midweek marathon within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
A multi award-winning marathon consistently ranked in the top 10 UK marathons with a stadium finish to give you goosebumps! AIMS-certified and BARR Gold accreditation for outstanding race management.
  • Mon 4 May 2026
  • £50-£60
Milton Keynes, Buckinghamshire, UK

MK Marathon

A multi award-winning marathon consistently ranked in the top 10 UK marathons with a stadium finish to give you goosebumps! AIMS-certified and BARR Gold accreditation for outstanding race management.

  • Chip timing
  • Enter online
  • GPS tracking
  • Flat
  • PB
  • Traffic free
  • Relay
  • Age 18 & over
  • 26.2 miles road running + 938 ft ascent
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
  • Sun 17 May 2026
  • £37.50-£39.50
Bournemouth, Dorset, UK

SoBo Series | Volume 3 | Good Vibrations

Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.

  • Beginner-friendly
  • Enter online
  • Flat
  • Traffic free
  • Event village
  • Coast
  • Age 18 & over
  • 7 hrs road running + 0 ft ascent
Experience Edinburgh's festival of running on Bank Holiday weekend! With nine distances on offer there's something for everyone - come and smash your PB at the marathon, previously voted UK's fastest!
  • Sat 23 - Sun 24 May 2026
  • FREE-£176
Edinburgh, UK

Edinburgh Marathon Festival

Experience Edinburgh's festival of running on Bank Holiday weekend! With nine distances on offer there's something for everyone - come and smash your PB at the marathon, previously voted UK's fastest!

  • Families
  • Venue accessible
  • Recycling
  • Beginner-friendly
  • Fancy dress
  • Event village
  • Urban
  • Park
  • Rural
  • Coast
  • Sustainability policy
  • Public transport links
  • Age 3 & over
  • Marathon 2
  • Half marathon
  • 10K run
  • 5K run
  • Fun run 4
Based out of East Hull this marathon will run out on the TransPennine Trail towards Hornsea, it should allow runners to enjoy a flat even surface ideal or both beginners or for seasoned athletes.
  • Sun 24 May 2026
  • £40-£42
Hull, East Yorkshire, UK

Get the Hull out of Here | Marathon

Based out of East Hull this marathon will run out on the TransPennine Trail towards Hornsea, it should allow runners to enjoy a flat even surface ideal or both beginners or for seasoned athletes.

  • Enter online
  • Flat
  • PB
  • Age 18 & over
  • 26.2 miles trail running + 66 ft ascent
In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
  • Sun 31 May 2026
  • £36-£38
Ware, Hertfordshire, UK

Circuit Du Sore Legs | Full Marathon

In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?

  • Chip timing
  • Enter online
  • Flat
  • PB
  • Traffic free
  • Age 18 & over
  • 26.2 miles track and field
Coastal paths with a satisfying mix of hills plus flatter, faster sections on a multi-lap route round the stunning Mount Edgcumbe Peninsula — a spectacular marathon coastal challenge.
  • Sat 13 Jun 2026
  • £40
Torpoint, Cornwall, UK

Rame Head Race | Marathon

Coastal paths with a satisfying mix of hills plus flatter, faster sections on a multi-lap route round the stunning Mount Edgcumbe Peninsula — a spectacular marathon coastal challenge.

  • Chip timing
  • Enter online
  • Flat
  • Hilly
  • Age 17 & over
  • 26.2 miles trail running + 4184 ft ascent
Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great runner support.
  • Sun 9 Aug 2026
  • £53-£55
London, UK

Thames Meander Summer | Marathon

Previously rated one of the top 10 UK marathons by Runners World! Stunningly scenic riverside routes along the Thames towpath. Flat, fast and very runnable with great runner support.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 600 ft ascent
Enjoy a trip up the Leeds and Liverpool Canal this summer over a range of distances, all along the flat and even towpath. This event is perfect for runners of all abilities.
  • Sat 15 Aug 2026
  • £38-£42
Shipley, West Yorkshire, UK

Sir Titus Summer Trot | Marathon

Enjoy a trip up the Leeds and Liverpool Canal this summer over a range of distances, all along the flat and even towpath. This event is perfect for runners of all abilities.

  • Chip timing
  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running + 506 ft ascent
Soak up summer miles on a flat, fast canal towpath, with great support, generous treats and distances for every runner including marathon — a Yorkshire day out to remember.
  • Sat 22 Aug 2026
  • £40-£42
Leeds, West Yorkshire, UK

Summer Extravaganza | Marathon

Soak up summer miles on a flat, fast canal towpath, with great support, generous treats and distances for every runner including marathon — a Yorkshire day out to remember.

  • Enter online
  • Flat
  • Age 18 & over
  • 26.2 miles trail running

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