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Runs in South East in March 2026

Find runs in South East in March 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.

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
  • £15-£35
Staines, Surrey, UK

The Sloth Scamper

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?

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
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 14 Mar
  • £33-£35
Staines, Surrey, UK

London Marathon Long Training Run | Day 2

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.

  • 7 hrs trail running
Run fast on a flat, traffic-free course, then celebrate properly with craft beer, live atmosphere and a buzzing brewery finish.
  • Sun 15 Mar
  • £30
Wokingham, Berkshire, UK

Siren Craft Brew 10K

Run fast on a flat, traffic-free course, then celebrate properly with craft beer, live atmosphere and a buzzing brewery finish.

  • 10 km multi terrain running + 87 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?
  • Sat 21 Mar
  • £15-£35
Staines, Surrey, UK

The Flying Fox

Come and join The Flying Fox event! Are you as cunning and as quick as a fox and fancy showcasing your running skills?

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Build marathon confidence on a fully supported long run, choosing your distance, fuelling every lap and training smart in a relaxed, friendly environment with like-minded runners.
  • Sat 21 Mar
  • £33-£35
Staines, Surrey, UK

London Marathon Long Training Run | Day 3

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

  • 7 hrs trail running
This is the race you'll want to keep racing, year after year. Explore the delights of the Hastings Half Marathon as it twists and turns through the historic town of Hastings and beyond.
  • Sun 22 Mar
  • £7-£39
Saint Leonards-on-sea, East Sussex, UK

Hastings Half Marathon

This is the race you'll want to keep racing, year after year. Explore the delights of the Hastings Half Marathon as it twists and turns through the historic town of Hastings and beyond.

  • Fun run
  • Half marathon
Come and join in for Dashing Dog Charity run along the picturesque River Thames, not only is the scenery beautiful and you will earn one of the awesome medals!
  • Sun 22 Mar
  • £17-£40
Staines, Surrey, UK

The Dashing Dog Charity Run

Come and join in for Dashing Dog Charity run along the picturesque River Thames, not only is the scenery beautiful and you will earn one of the awesome medals!

  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
"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
  • £15-£35
Staines, Surrey, UK

Milkshake Meander

"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!

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
10 Hours • 10 Laps • You vs You. You will be awarded an event medal and coloured finisher's shirt based on your ability to complete 10 laps of the 3-mile, 4-mile or 5-mile loops in the given time.
  • Sat 28 Mar
  • £86
Uckfield, East Sussex, UK

Fortitude Ultra | Pippingford

10 Hours • 10 Laps • You vs You. You will be awarded an event medal and coloured finisher's shirt based on your ability to complete 10 laps of the 3-mile, 4-mile or 5-mile loops in the given time.

  • 10 hrs trail running + 1824 ft ascent
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
  • £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.

  • 7 hrs trail 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
  • £31-£33
Romney Marsh, Kent, UK

Brett Lydd Half Marathon & 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.

  • Half marathon
  • Marathon
A new and unique concept where you decide how many loops you feel capable of on the day from 10km up to an ultra marathon! Push yourself further or go easy.
  • Sun 29 Mar
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Mar

A new and unique concept where you decide how many loops you feel capable of on the day from 10km up to an ultra marathon! Push yourself further or go easy.

  • 1 day multi terrain running
  • Sat 14 Mar
  • £10-£49
Winchester, Hampshire, UK

The Maverick Hampshire Trail

  • 5K run
  • Trail run 2
  • Sun 15 Mar
  • £11-£42
Milton Keynes, Buckinghamshire, UK

Milton Keynes Festival of Running

  • 5K run
  • 10K run
  • Half marathon
  • Road run
  • Sun 15 Mar
  • £16-£30
Birchington, Kent, UK

Smugglers Run 10K & 5K

  • 5K run
  • 10K run
  • Tue 17 Mar
  • £22.50
Portsmouth, Hampshire, UK

Run The Saints Series - St Patricks Day

  • 5K run
  • 10K run
  • Sat 21 Mar
  • £52-£98
Winchester, Hampshire, UK

Winter's End - 50 Mile Ultra & Marathon

  • Marathon 2
  • Ultra run
  • Sat 21 Mar
  • £25
Guildford, Surrey, UK

Surrey Hills Half Marathon

  • 13 miles trail running
  • Sat 21 Mar
  • £55-£57
Dorking, Surrey, UK

The Surrey Hills Marathon

  • 26.2 miles trail running
  • Sat 21 - Sun 22 Mar
  • £60
Farnham, Hampshire, UK

Lone Wolf South East

  • 24 hrs trail running
  • Sun 22 Mar
  • £25-£35
Herne Bay, Kent, UK

Run Whitstable & Herne Bay Spring 5K, 10K and Half Marathon

  • 5K run
  • 10K run
  • Half marathon
  • Sun 22 Mar
  • £36-£44
Milton Keynes, Buckinghamshire, UK

Twin Lakes 20

  • 10 miler
  • Half marathon
  • Sun 22 Mar
  • £25-£30
Redhill, Surrey, UK

Y2Y North Downs Trek / Run

  • Half marathon
  • Marathon
  • Short walk
  • Long distance walk
  • Sun 22 Mar
  • £25-£55
Reading, Berkshire, UK

Reading Half Marathon

  • Fun run
  • Half marathon
  • Sun 22 Mar
  • FREE
Buckingham, Buckinghamshire, UK

Trust 10K Run

  • 10 km trail running

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