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Marathons in UK in May 2026

Find marathons in UK in May 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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The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
  • Fri 1 May 2026
  • £20-£27
Egham, Surrey, UK

Midweek Chasing Numbers May | Marathon

The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
This 2-lap marathon course offers a spectacular route including green parks, shoreline and riverside views, starting and finishing at the iconic Southampton Guildhall.
  • Sun 3 May 2026
  • £55
  • 1 charity
Southampton, Hampshire, UK

ABP Southampton Marathon

This 2-lap marathon course offers a spectacular route including green parks, shoreline and riverside views, starting and finishing at the iconic Southampton Guildhall.

  • Chip timing
  • Enter online
  • Age 18 & over
  • 26.2 miles road running + 296 m ascent
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
The multi-terrain marathon is 12.9 miles on road and 13.7 miles of trails and covers a large part of the ultra distance route.
  • Sun 10 May 2026
  • £45
Naseby, Northamptonshire, UK

Shires and Spires | Marathon

The multi-terrain marathon is 12.9 miles on road and 13.7 miles of trails and covers a large part of the ultra distance route.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 26.6 miles multi terrain running + 1743 ft ascent
Take on the Leeds Marathon – a spectacular, fully supported city-to-countryside challenge with incredible atmosphere, scenic views and unforgettable race-day energy.
  • Sun 10 May 2026
  • £62-£115
  • 6 charities
Leeds, West Yorkshire, UK

Rob Burrow Leeds Marathon

Take on the Leeds Marathon – a spectacular, fully supported city-to-countryside challenge with incredible atmosphere, scenic views and unforgettable race-day energy.

  • Venue accessible
  • Recycling
  • Newcomers
  • Event village
  • Urban
  • Rural
  • Free venue entry
  • Sustainability policy
  • Public transport links
  • Age 18 & over
  • 26.2 miles road running
Ideal for runners who want to get a marathon 'Good For Age' place as it is over an officially measured course on the Kirtling Road Route which is mildly undulating and very scenic.
  • Sun 10 May 2026
  • £33-£38
Bury Saint Edmunds, Suffolk, UK

Zig Zag Marathon and Half | Full Marathon

Ideal for runners who want to get a marathon 'Good For Age' place as it is over an officially measured course on the Kirtling Road Route which is mildly undulating and very scenic.

  • Enter online
  • Undulating
  • PB
  • Age 18 & over
  • 26.2 miles road running + 1247 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.

  • Newcomers
  • Enter online
  • Flat
  • Traffic free
  • Event village
  • Coast
  • Age 18 & over
  • 7 hrs road running + 0 ft ascent
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped marathon is for you! Durham-themed medals too.
  • Thu 21 May 2026
  • £17-£34
Durham, County Durham, UK

Dun Holm Challenge | Day 1 | Marathon

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped marathon is for you! Durham-themed medals too.

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 72 ft ascent
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped marathon is for you! Durham-themed medals too.
  • Fri 22 May 2026
  • £17-£34
Durham, County Durham, UK

Dun Holm Challenge - Day 2 | Marathon

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped marathon is for you! Durham-themed medals too.

  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles trail running + 72 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
  • £18.50-£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
  • Newcomers
  • Fancy dress
  • Event village
  • Urban
  • Park
  • Rural
  • Coast
  • Sustainability policy
  • Public transport links
  • Age 3 & over
  • 10K run
  • 5K run
  • Fun run 4
  • Half marathon
  • Marathon 2
Can you survive Farmmageddon? A fantastic marathon through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
  • Sat 23 May 2026
  • £33-£38
Buntingford, Hertfordshire, UK

Farmmageddon | Full Marathon

Can you survive Farmmageddon? A fantastic marathon through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.

  • Chip timing
  • Enter online
  • Traffic free
  • Age 18 & over
  • 26.2 miles trail running + 164 ft ascent
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped marathon is for you! Durham-themed medals too.
  • Sat 23 May 2026
  • £17-£34
Durham, County Durham, UK

Dun Holm Challenge | Day 3 | Marathon

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped marathon is for you! Durham-themed medals too.

  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles trail running + 72 ft ascent
Based out of East Hull this race 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 race 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
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped marathon is for you! Durham-themed medals too.
  • Sun 24 May 2026
  • £17-£34
Durham, County Durham, UK

Dun Holm Challenge | Day 4 | Marathon

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped marathon is for you! Durham-themed medals too.

  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles trail running + 72 ft ascent
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this lapped marathon is for you! Durham-themed medals too.
  • Mon 25 May 2026
  • £17-£34
Durham, County Durham, UK

Dun Holm Challenge | Day 5 | Marathon

Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this lapped marathon is for you! Durham-themed medals too.

  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles trail running + 72 ft ascent
A 42K trail run as part of the Lake District Running Festival in an iconic location with a grandstand finish, wooden medal, free event photos and, more importantly, cake...
  • Sun 31 May 2026
  • £55
Ambleside, Cumbria, UK

Lake District Running Festival | Grasmere Gallop 42km Trail Run

A 42K trail run as part of the Lake District Running Festival in an iconic location with a grandstand finish, wooden medal, free event photos and, more importantly, cake...

  • GPS tracking
  • Mountainous
  • Age 18 & over
  • 42 km trail running + 1905 m ascent
  • Sat 2 - Mon 4 May 2026
Keswick, Cumbria, UK

SCARPA Great Lakeland 3Day

  • 3 days fell running
  • Sun 3 May 2026
Shipston-on-Stour, Warwickshire, UK

Tempo Trail Races | Marathon

  • 26.2 miles trail running + 1743 ft ascent
  • Sun 3 May 2026
Lancing, West Sussex, UK

Three Forts Challenge | Marathon

  • 26.2 miles multi terrain running + 3195 ft ascent
  • Fri 8 May 2026
Preston, Lancashire, UK

Brockholes Bimble | Marathon

  • 26.2 miles trail running
  • Sat 9 May 2026
Cardiff, UK

Radyr Trail Races: Half Marathon and Marathon | Marathon

  • 26.2 miles trail running
  • Sat 9 May 2026
Exmoor, Devon, UK

Endurancelife | Exmoor | Marathon

  • 27.4 miles trail running + 6070 ft ascent
  • Sat 9 May 2026
Preston, Lancashire, UK

Cottam Canter | Marathon

  • 26.2 miles trail running
  • Sun 10 May 2026
Thirsk, North Yorkshire, UK

Hardmoors 26.2 White Horse Trail Marathon | Marathon

  • 29 miles trail running + 3400 ft ascent

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