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Ultra runs in South East

Find 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.

Get involved in this spooky Scare Bear Run! The Care Bears were a staple of anyone who grew up in the 80s and even if you never liked them, they make a super cute (slightly scary) medal to earn.
  • Sat 25 Oct
  • £16-£35
Staines, Surrey, UK

Scare Bear Run

Get involved in this spooky Scare Bear Run! The Care Bears were a staple of anyone who grew up in the 80s and even if you never liked them, they make a super cute (slightly scary) medal to earn.

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
This 47-mile point-to-point along England’s longest river is one of the most popular events in the British ultra running calendar, boasting an interesting route and top runner reviews.
  • Sat 25 Oct
  • £70
Oxford, Oxfordshire, UK

Thames Trail Ultra

This 47-mile point-to-point along England’s longest river is one of the most popular events in the British ultra running calendar, boasting an interesting route and top runner reviews.

  • Newcomers
  • Enter online
  • GPS tracking
  • Event village
  • Rural
  • Age 18 & over
  • 47 miles trail running + 913 ft ascent
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 25 Oct
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Oct | 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
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 26 Oct
  • £37.50-£39.50
Lymington, Hampshire, UK

Wight Lines

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.

  • Newcomers
  • Enter online
  • Flat
  • Event village
  • Coast
  • Public transport links
  • Age 18 & over
  • 7 hrs trail running + 47 ft ascent
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.
  • Sun 9 Nov
  • £24-£38
Egham, Surrey, UK

Remembrance Day Run | South

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence and a run of your choice from 3K to ultra.

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
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 14 Nov
  • £16-£27
Staines, Surrey, UK

Midweek Chasing Numbers Nov

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.

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
A Friday night start on woodland trails with runnable climbs and a sociable vibe. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.
  • Fri 14 Nov
  • £73-£400
Gravesend, Kent, UK

Kent Backyard Ultra | Round One: Vigo

A Friday night start on woodland trails with runnable climbs and a sociable vibe. Run a loop (a 'yard') every hour, on the hour, until only one runner remains. Miss the bell, and you're out.

  • Newcomers
  • Event village
  • Rural
  • Age 16 & over
  • Fixed time runs
  • Ultra run 2
Come and join this Smurf Run, who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!
  • Sun 16 Nov
  • £16-£35
Egham, Surrey, UK

Smurf Run

Come and join this Smurf Run, who doesn't love those little blue characters and therefore a medal reflecting how adorable they are!

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
This is an extra special event to celebrate the release of a certain movie...the medal is TOP SECRET but it is absolutely 'wicked'...
  • Fri 21 Nov
  • £16-£35
Staines, Surrey, UK

Changed For Good Run

This is an extra special event to celebrate the release of a certain movie...the medal is TOP SECRET but it is absolutely 'wicked'...

  • Families
  • Newcomers
  • Event village
  • All ages
  • Road run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Get involved in this Lord of the Run Part 3 (LOTR) style run. Whether you love or hate it, come join in anyway by going on an adventure across the Thames!
  • Sun 23 Nov
  • £16-£35
Staines, Surrey, UK

Lord of The Run Part 3

Get involved in this Lord of the Run Part 3 (LOTR) style run. Whether you love or hate it, come join in anyway by going on an adventure across the Thames!

  • Families
  • Newcomers
  • 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 but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
  • Sun 30 Nov
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Nov | 40 Mile Ultra Marathon

A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.

  • Enter online
  • Hilly
  • Age 16 & over
  • 40 miles multi terrain running + 8988 ft ascent
Join a December midweek run and wear your most over-the-top Christmas jumper if you like!
  • Fri 5 Dec
  • £16-£27
Staines, Surrey, UK

The Christmas Jumper Jaunt

Join a December midweek run and wear your most over-the-top Christmas jumper if you like!

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join in Christmas Carol Bobble Hat Run, at this event you can earn yourself a bobble hat as well as one of the incredible themed medals!!
  • Sat 6 Dec
  • £16-£40
Staines, Surrey, UK

A Christmas Carol Bobble Hat Run

Come and join in Christmas Carol Bobble Hat Run, at this event you can earn yourself a bobble hat as well as one of the incredible themed medals!!

  • Families
  • Newcomers
  • 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 but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.
  • Sun 14 Dec
  • £26-£37.50
Gerrards Cross, Buckinghamshire, UK

Running Tribe Races | Dec | 40 Mile Ultra Marathon

A new and unique concept where you turn up ready to conquer an Ultra but if you feel like going easy, run a cool 1-3 loops instead! Ideal for testing out fuelling techniques & kit.

  • Enter online
  • Hilly
  • Age 16 & over
  • 40 miles multi terrain running + 8464 ft ascent
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
  • Newcomers
  • 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
  • £28-£30
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
  • Newcomers
  • 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
  • Newcomers
  • 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
  • Newcomers
  • Event village
  • Rural
  • Age 12 & over
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • + 1 more race
Yay it's 2026 and what better way to celebrate than running your first 5k/marathon/50k etc!!!
  • Thu 1 Jan 2026
  • £16-£35
Staines, Surrey, UK

New Years Day Run

Yay it's 2026 and what better way to celebrate than running your first 5k/marathon/50k etc!!!

  • Families
  • Newcomers
  • 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
  • Newcomers
  • Event village
  • Rural
  • Age 12 & over
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • Ultra run
  • + 1 more race
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 9 Jan 2026
  • £16-£27
Staines, Surrey, UK

Midweek Chasing Numbers Jan

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.

  • Families
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
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
  • Newcomers
  • 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.

  • Newcomers
  • Event village
  • Rural
  • Age 16 & over
  • Fixed time runs
  • Ultra run
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
  • Newcomers
  • 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
  • Newcomers
  • Event village
  • All ages
  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races

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