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Trail Ultra runs in South East

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

If you prefer to put on a pair of trainers rather than open presents, drink and eat Christmas dinner (or if you want to get a run in before you do all of that) then this is the event for you!
  • Thu 25 Dec
  • £16-£35
Egham, Surrey, UK

Christmas Day Cracker Run

If you prefer to put on a pair of trainers rather than open presents, drink and eat Christmas dinner (or if you want to get a run in before you do all of that) then this is the event for you!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.
  • Fri 26 Dec
  • £16-£35
Egham, Surrey, UK

Boxing Day Challenge

Welcome to the 6-hour Boxing Day Challenge, where you can run the distance of your choice on an out-and-back route along the River Thames, with fuel stations, bespoke medal and goody bag.

  • Families
  • Beginner-friendly
  • Event village
  • Age 12 & over
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • + 1 more race
Join the final event of the year and see it out with a bang! You can choose the medal you want from a selection from throughout the year!
  • Sat 27 Dec
  • £16-£35
Staines, Surrey, UK

Year End Time Turner

Join the final event of the year and see it out with a bang! You can choose the medal you want from a selection from throughout the year!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.
  • Wed 31 Dec
  • £16-£35
Egham, Surrey, UK

River Thames Run

Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, medal and goody bag.

  • Families
  • Beginner-friendly
  • Event village
  • Rural
  • Age 12 & over
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • + 1 more race
Kick off the year with a motivating run—5K, marathon, or 50K! Shake off festive indulgence, spark your New Year’s resolutions, and embrace the challenge together and start strong this day.
  • Thu 1 Jan 2026
  • £16-£35
Staines, Surrey, UK

New Years Day Run

Kick off the year with a motivating run—5K, marathon, or 50K! Shake off festive indulgence, spark your New Year’s resolutions, and embrace the challenge together and start strong this day.

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, Rhino medal and goody bag.
  • Sat 3 Jan 2026
  • £16-£35
Egham, Surrey, UK

Rhino Run

Welcome to a 6-hour timed running event where you can run a 5K all the way up to an ultra marathon on an out-and-back route within the time limit, with fuel stations, Rhino medal and goody bag.

  • Families
  • Beginner-friendly
  • Event village
  • Rural
  • Age 12 & over
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • + 1 more race
Come and get involved in this Rise From The Ashes Run at The Last Hop in Staines, as long as you complete at least 3km you will be rewarded with one of the incredible phoenix medals!
  • Sat 10 Jan 2026
  • £16-£35
Staines, Surrey, UK

The Rise From The Ashes Run | South

Come and get involved in this Rise From The Ashes Run at The Last Hop in Staines, as long as you complete at least 3km you will be rewarded with one of the incredible phoenix medals!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
A crisp morning start from the farm on a 50/50 road-trail mix with coastal views. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.
  • Sat 10 Jan 2026
  • £73-£115
Dover, Kent, UK

Kent Backyard Ultra | Round Two: Dover

A crisp morning start from the farm on a 50/50 road-trail mix with coastal views. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.

  • Beginner-friendly
  • Event village
  • Rural
  • Age 16 & over
  • Fixed time runs
  • Ultra run
Entries close soon
A fabulous 43-mile point-to-point race, well established as the season opener to the Ultra race calendar and always sells out. From the countryside along the Grand Union Canal into London.
  • Sat 10 Jan 2026
  • £80
Aylesbury, Buckinghamshire, UK

Country to Capital Ultra

A fabulous 43-mile point-to-point race, well established as the season opener to the Ultra race calendar and always sells out. From the countryside along the Grand Union Canal into London.

  • Recycling
  • Beginner-friendly
  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Event village
  • Age 18 & over
  • 43 miles trail running + 1404 ft ascent
Come and join in Winter 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!
  • Sat 24 Jan 2026
  • £16-£35
Staines, Surrey, UK

The Winter Lucky Dip Run

Come and join in Winter 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
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!
  • Sat 7 Feb 2026
  • £16-£35
Staines, Surrey, UK

The Highland Hotfoot

Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy raccoon on it! What more could you ask for?
  • Sat 14 Feb 2026
  • £16-£35
Staines, Surrey, UK

The Racoon Rocket Run

Come and join The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy raccoon on it! What more could you ask for?

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
For this run, not only will you earn a super cute rubber duck themed medal, but also your very own rubber ducky to take home with you!
  • Sat 21 Feb 2026
  • £16-£35
Staines, Surrey, UK

The Rubber Ducky Dash

For this run, not only will you earn a super cute rubber duck themed medal, but also your very own rubber ducky to take home with you!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
A new and unique concept where you turn up ready to conquer an Ultra Marathon but if you want to go easy, simply run a cool Marathon or Half Marathon, depending on how you feel on the day!
  • Sat 21 Feb 2026
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Feb | 30 Mile Ultra Marathon

A new and unique concept where you turn up ready to conquer an Ultra Marathon but if you want to go easy, simply run a cool Marathon or Half Marathon, depending on how you feel on the day!

  • Enter online
  • Hilly
  • Age 16 & over
  • 30 miles multi terrain running + 6139 ft ascent
There's another animal inspired event for you, the featured animal this time is a giraffe! The medal, as always, is incredible and definitely one to add to your animal collection!
  • Sat 28 Feb 2026
  • £16-£35
Staines, Surrey, UK

The Giraffe Gallop

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

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Here'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 collection!
  • Sat 7 Mar 2026
  • £16-£35
Staines, Surrey, UK

The Panda Plod

Here'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 collection!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Flat, fast and friendly at Lillyroo’s near Deal, one of Europe's flattest backyard courses. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.
  • Sat 7 Mar 2026
  • £73-£115
Deal, Kent, UK

Kent Backyard Ultra | Round Three: Sholden

Flat, fast and friendly at Lillyroo’s near Deal, one of Europe's flattest backyard courses. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.

  • Beginner-friendly
  • Event village
  • Rural
  • Age 16 & over
  • Fixed time runs
  • Ultra run
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 7 Mar 2026
  • £33-£35
Staines, Surrey, UK

London Marathon Long Training Run | Day 1

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
Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.
  • Sun 8 Mar 2026
  • £37.50-£39.50
Lymington, Hampshire, UK

Wight Riot

Enjoy stunning coastal views on this flexible-distance run at Milford on Sea, following an out-and-back route beside Sturt Pond and the Isle of Wight — perfect for all abilities.

  • Beginner-friendly
  • Enter online
  • Traffic free
  • Event village
  • Coast
  • Age 18 & over
  • 7 hrs multi terrain running + 47 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
  • £16-£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?

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
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 2026
  • £16-£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?

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • 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 2026
  • £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.

  • Beginner-friendly
  • Enter online
  • Flat
  • 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
  • £16-£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!

  • Families
  • Beginner-friendly
  • Event village
  • All ages
  • 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 2026
  • £85
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.

  • Beginner-friendly
  • Chip timing
  • Enter online
  • Hilly
  • Traffic free
  • Event village
  • Park
  • Age 20 & over
  • 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 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

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