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Marathons in South East in March 2026

Find marathons near me in South East in March 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.

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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

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 6 Mar 2026
  • £20-£27
  • Fri 6 Mar 2026
  • £20-£27
Staines, Surrey, UK

Midweek Chasing Numbers Mar | 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
There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!
  • Sat 7 Mar 2026
  • £23-£35
  • Sat 7 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Panda Plod | Marathon

There's another animal inspired event for you, the featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your animal collection!

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?
  • Sat 14 Mar 2026
  • £23-£35
  • Sat 14 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Sloth Scamper | Marathon

Come and join in The Sloth Scamper, slow is the new fast and you can earn yourself a medal with an adorable sloth on to boot - anyone know what a group of sloths is called?

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?
  • Sat 21 Mar 2026
  • £23-£35
  • Sat 21 Mar 2026
  • £23-£35
Staines, Surrey, UK

The Flying Fox | Marathon

Come and join The Flying Fox event, are you as cunning and as quick as a fox and fancy showcasing your running skills with us?

  • Enter online
  • Age 18 & over
  • 26.2 miles trail running + 0 ft ascent
"My milkshake brings all the boys to the yard"...not quite sure where we're going with this but come and join Saturn Running for our Milkshake Meander event!
  • Sat 28 Mar 2026
  • £23-£35
  • 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 Saturn Running for our Milkshake Meander event!

  • Enter online
  • Age 18 & over
  • 26.2 miles multi terrain running + 0 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
  • 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 + 206 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
  • 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
  • Sat 7 Mar 2026
Eastbourne, East Sussex, UK

EnduranceLife - Sussex | Marathon

  • 26.2 miles road running + 4196 ft ascent

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