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Marathons in South East

Find marathons in South East 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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Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.
  • Sat 28 Mar 2026
  • £33-£35
Staines, Surrey, UK

London Marathon Long Training Run | Day 4

Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.

  • Beginner-friendly
  • Enter online
  • Traffic free
  • Fancy dress
  • Event village
  • Age 17 & over
  • 7 hrs trail running
"My milkshake brings all the boys to the yard"... not quite sure where we're going with this but come and join this fantasic Milkshake Meander event!
  • Sat 28 Mar 2026
  • £23-£35
Staines, Surrey, UK

Milkshake Meander | Marathon

"My milkshake brings all the boys to the yard"... not quite sure where we're going with this but come and join this fantasic Milkshake Meander event!

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 26.2 miles multi terrain running
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
A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!
  • Sun 29 Mar 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar | Full Marathon

A new and unique concept where you turn up ready to conquer a Marathon but if you're feeling great tackle an Ultra, or go easy and run fewer loops instead, depending on how you feel on the day!

  • Enter online
  • Hilly
  • Age 16 & over
  • 26.2 miles multi terrain running + 6004 ft ascent
Come and join the day of running and aim to complete a marathon at your own pace on a scenic course then receive a fantastic Easter egg themed medal and goody bag at the finish!
  • Thu 2 Apr 2026
  • £23-£35
Egham, Surrey, UK

Eggcellent Easter Orange Run | Marathon

Come and join the day of running and aim to complete a marathon at your own pace on a scenic course then receive a fantastic Easter egg themed medal and goody bag at the finish!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
The Eggcellent Easter Pink Run is the second event in the five-day series where you can earn the fantastic easter egg medal in pink!
  • Fri 3 Apr 2026
  • £23-£35
Egham, Surrey, UK

Eggcellent Easter Pink Run | Marathon

The Eggcellent Easter Pink Run is the second event in the five-day series where you can earn the fantastic easter egg medal in pink!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.
  • Sat 4 Apr 2026
  • £33-£35
Staines, Surrey, UK

London Marathon Long Training Run | Day 5

Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with likeminded runners.

  • Beginner-friendly
  • Enter online
  • Flat
  • Traffic free
  • Fancy dress
  • Event village
  • Age 17 & over
  • 7 hrs trail running
The Eggcellent Easter Green Run is the third event in the five-day series where you can earn the fantastic easter egg medal in green!
  • Sat 4 Apr 2026
  • £23-£35
Staines, Surrey, UK

Eggcellent Easter Green Run | Marathon

The Eggcellent Easter Green Run is the third event in the five-day series where you can earn the fantastic easter egg medal in green!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!
  • Sun 5 Apr 2026
  • £23-£35
Staines, Surrey, UK

Eggcellent Easter Purple Run | Marathon

The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!
  • Mon 6 Apr 2026
  • £23-£35
Staines, Surrey, UK

Eggcellent Easter Blue Run | Marathon

The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running
Whether you are in the love it or hate it camp, I think we can all agree that the medal is super cute and definitely one which you need to add to your collection!
  • Sat 11 Apr 2026
  • £16-£35
Staines, Surrey, UK

Love it or Hate it Run

Whether you are in the love it or hate it camp, I think we can all agree that the medal is super cute and definitely one which you need to add to your collection!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
The UK's third largest marathon, boasting a new and beautiful seaside course with superb local support, making it a truly sensational running experience.
  • Sun 12 Apr 2026
  • £10-£70
  • 11 charities
Brighton, East Sussex, UK

Brighton Marathon

The UK's third largest marathon, boasting a new and beautiful seaside course with superb local support, making it a truly sensational running experience.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Traffic free
  • Age 18 & over
  • 26.2 miles road running + 447 ft ascent
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?
  • Sat 18 Apr 2026
  • £16-£35
Staines, Surrey, UK

The London Run

Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city?

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
A superbly crafted spring marathon through some of Kent's prettiest countryside for your racing pleasure... Will you accept the challenge?
  • Sun 19 Apr 2026
  • £39
Ashford, Kent, UK

Kent Spring Marathon

A superbly crafted spring marathon through some of Kent's prettiest countryside for your racing pleasure... Will you accept the challenge?

  • Enter online
  • Undulating
  • Age 18 & over
  • 26.2 miles multi terrain running + 1358 ft ascent
Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.
  • Sat 2 - Mon 4 May 2026
  • £6-£69
Burgess Hill, West Sussex, UK

Mid Sussex Marathon Weekend

Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.

  • Families
  • Beginner-friendly
  • Fancy dress
  • Event village
  • All ages
  • 10 miler 2
  • 10K run
  • Marathon 2
  • Fun run 6
  • Multi-terrain run
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
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 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 9 May 2026
  • £53-£55
Egham, Surrey, UK

Magna Carta Summer | 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
  • Age 18 & over
  • 26.35 miles trail running + 150 ft ascent
Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!
  • Sun 10 May 2026
  • £16-£35
Staines, Surrey, UK

The Spring Lucky Dip Run

Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!

  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?
  • Sat 16 May 2026
  • £16-£35
Staines, Surrey, UK

Rocky at 50 Run

Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Who remembers the character Strawberry Shortcake and all her adorable friends like Orange Blossom and Lemon Meringue?! Here's your chance for a medal of her!
  • Sat 6 Jun 2026
  • £15-£35
Staines, Surrey, UK

Strawberry Shortcake Scamper

Who remembers the character Strawberry Shortcake and all her adorable friends like Orange Blossom and Lemon Meringue?! Here's your chance for a medal of her!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?
  • Sat 6 - Sun 7 Jun 2026
  • £95-£105
  • Team & charity places only
Reading, Berkshire, UK

Endure24 | Reading

The UK’s favourite 24-hour trail race! Epic, Brutal, Relentless. Race against the clock to tackle as many laps of the iconic course as you can. How far can you go in 24 hours?

Team & charity places only

  • Dogs allowed at venue
  • Entertainment
  • Music
  • Ballot
  • Chip timing
  • Enter online
  • Event village
  • Event expo
  • Park
  • Free venue entry
  • Sustainability policy
  • Relay
  • Age 18 & over
  • 24 hrs multi terrain running
Come and join the Summer Lucky Dip Run! There is no set medal for this race, instead, you will get to choose your own from a selection of medals from past events!
  • Sun 7 Jun 2026
  • £16-£35
Staines, Surrey, UK

The Summer Lucky Dip Run

Come and join the Summer Lucky Dip Run! There is no set medal for this race, instead, you will get to choose your own from a selection of medals from past events!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Previously rated one of the top UK marathons! Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes.
  • Sat 13 Jun 2026
  • £53-£55
Wadhurst, East Sussex, UK

Bewl Water Summer | Marathon

Previously rated one of the top UK marathons! Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes.

  • Chip timing
  • Enter online
  • Hilly
  • Age 18-80
  • 26.2 miles trail running + 1420 ft ascent

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