50K ultra runs in South East
Find 50k 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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- Sat 25 Oct
- £16-£35
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
- Sun 9 Nov
- £24-£38
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
- Fri 14 Nov
- £20-£27
Midweek Chasing Numbers Nov | 50K
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 20 & over
- 50 km trail running + 0 ft ascent
- Sun 16 Nov
- £16-£35
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
- Fri 21 Nov
- £23-£35
Changed For Good Run | 50K
This is an extra special event to celebrate the release of a certain movie...the medal is TOP SECRET but it is absolutely 'wicked'...
- Enter online
- Age 20 & over
- 50 km road running
- Sun 23 Nov
- £23-£35
Lord of The Run Part 3 | 50K
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Fri 5 Dec
- £16-£27
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
- Sat 6 Dec
- £16-£40
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
- Thu 25 Dec
- £23-£35
Christmas Day Cracker Run | 50K
Come and join the morning of running and aim to complete a 50K within the 7-hour time limit on a scenic course with Christmas Dinner each lap, present, themed medal and goody bag at the finish!
- Enter online
- Traffic free
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Fri 26 Dec
- £28-£30
Boxing Day Challenge | Ultra Marathon
Come and join the day of running and aim to complete an ultra marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 32 miles trail running + 0 ft ascent
- Sat 27 Dec
- £23-£35
Year End Time Turner | 50K
Welcome to a 7-hour timed running event where you can run 50K within the time limit on a scenic out-and-back route, with fuel stations each lap, and a pick-and-mix medal and goody bag at the finish.
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Wed 31 Dec
- £33-£35
River Thames Run | Ultra Marathon
Come and join the day of running and aim to complete an ultra within the 6-hour time limit on an out-and-back route along the River Thames, then receive a medal and goody bag at the finish!
- Enter online
- Traffic free
- Age 20 & over
- 32 miles trail running + 0 ft ascent
- Thu 1 Jan 2026
- £23-£35
New Years Day Run | 50K
Yay it's 2026 and what better way to celebrate than running your first 5k/marathon/50k etc!!!
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Fri 9 Jan 2026
- £20-£27
Midweek Chasing Numbers Jan | 50K
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 20 & over
- 50 km trail running + 0 ft ascent
- Sat 10 Jan 2026
- £23-£35
The Rise From The Ashes Run - South | 50K
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!
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Sat 24 Jan 2026
- £23-£35
The Winter Lucky Dip Run | 50K
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!
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Fri 6 Feb 2026
- £20-£27
Midweek Chasing Numbers Feb | 50K
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 20 & over
- 50 km trail running + 0 ft ascent
- Sat 7 Feb 2026
- £23-£35
The Highland Hotfoot | 50K
Come and join in The Highland Hotfoot because who doesn't love those furry Highland Cows and therefore want a medal of them!!
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Sat 14 Feb 2026
- £23-£35
The Racoon Rocket Run | 50K
Come and join in The Racoon Rocket Run and earn yourself a beautiful medal with an adorable picture of a fluffy racoon on! What more could you ask for??
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Sat 21 Feb 2026
- £23-£35
The Rubber Ducky Dash | 50K
Due to the success of the Rebellious Rubber Ducky Run in 2025 Saturn Running is holding it's second event inspired by the adorable bath toys!
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Sat 28 Feb 2026
- £23-£35
The Giraffe Gallop | 50K
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!
- Enter online
- Age 20 & over
- 50 km trail running + 0 ft ascent
- Fri 6 Mar 2026
- £20-£27
Midweek Chasing Numbers Mar | 50K
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 20 & over
- 50 km trail running + 0 ft ascent
- Sat 7 Mar 2026
- £23-£35
The Panda Plod | 50K
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 20 & over
- 50 km trail running + 0 ft ascent
- Sat 14 Mar 2026
- £23-£35
The Sloth Scamper | 50K
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 20 & over
- 50 km trail running + 0 ft ascent
- Sat 21 Mar 2026
- £23-£35
The Flying Fox | 50K
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 20 & over
- 50 km trail running + 0 ft ascent