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50K ultra runs in South East

Find 50k ultra runs near me in South East for 2025/2026 - 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.

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.
  • Sun 21 Sep
  • £23-£35
Staines, Surrey, UK

Fraggle Run | 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
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sun 21 Sep
  • £23-£35
Staines, Surrey, UK

Fraggle Run | Ultra Marathon

Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 30.6 miles trail running + 0 ft ascent
The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!
  • Sat 27 Sep
  • £139
Henley-on-Thames, Buckinghamshire, UK

Chiltern 50 Ultra Challenge | Full 50km

The full 50K route of the Chiltern 50 Ultra Challenge starts from basecamp in Henley on a loop via Greys Court, the Ridgeway, Shakespeare's Way, The Chilterns and Hambleden Village to a party finish!

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 18 & over
  • 50 km trail running + 920 m ascent
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.
  • Sat 27 Sep
  • £23-£35
Staines, Surrey, UK

Romp Run | 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
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sat 27 Sep
  • £23-£35
Staines, Surrey, UK

Romp Run | Ultra Marathon

Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 30.6 miles trail running + 0 ft ascent
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 3 Oct
  • £20-£27
Egham, Surrey, UK

Midweek Chasing Numbers Oct | 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
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.
  • Sun 5 Oct
  • £23-£35
Staines, Surrey, UK

The Autumn Lucky Dip Run | 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
  • Flat
  • Traffic free
  • Age 20 & over
  • 50 km road running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run an ultra within 7 hours on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
  • Sun 5 Oct
  • £23-£35
Staines, Surrey, UK

The Autumn Lucky Dip Run | Ultra Marathon

Welcome to a 7-hour timed running event where you can run an ultra within 7 hours on an out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.

  • Enter online
  • Flat
  • Traffic free
  • Age 18 & over
  • 30.6 miles road running + 0 ft ascent
Set in an Area of Outstanding Natural Beauty offering dramatic views, vibrant communities, a rich historic heritage, and diverse wildlife and habitats – featuring the North Downs Way National Trail.
  • Sat 11 Oct
  • £139
Maidstone, Kent, UK

Kent Downs 50 Ultra Challenge | 50km

Set in an Area of Outstanding Natural Beauty offering dramatic views, vibrant communities, a rich historic heritage, and diverse wildlife and habitats – featuring the North Downs Way National Trail.

  • Chip timing
  • Enter online
  • GPS tracking
  • Undulating
  • Age 16 & over
  • 50 km trail running + 1000 m ascent
Come and get involved in this spooky Scare Bear Run!
  • Sat 25 Oct
  • £23-£35
Staines, Surrey, UK

Scare Bear Run | 50K

Come and get involved in this spooky Scare Bear Run!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a 50K ultra, then a Remembrance medal, goody bag and special pin.
  • Sun 9 Nov
  • £26-£38
Egham, Surrey, UK

Remembrance Day Run | South | 50K

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, a 50K ultra, then a Remembrance medal, goody bag and special pin.

  • Enter online
  • Flat
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, an ultra run, then a Remembrance medal, goody bag and special pin.
  • Sun 9 Nov
  • £26-£38
Egham, Surrey, UK

Remembrance Day Run | South | Ultra Marathon

Your chance to remember those who have given the ultimate sacrifice during conflicts around the world, with a two-minute silence, an ultra run, then a Remembrance medal, goody bag and special pin.

  • Enter online
  • Flat
  • Age 18 & over
  • 30.6 miles trail running + 0 ft ascent
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
  • £20-£27
Staines, Surrey, UK

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
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
  • £23-£35
Egham, Surrey, UK

Smurf Run | 50K

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

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
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
  • £23-£35
Staines, Surrey, UK

Lord of The Run Part 3 | 50K

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!

  • Enter online
  • Age 20 & over
  • 50 km road running + 0 ft ascent
Join in midweek run and as it's nearly Christmas this midweek event is The Christmas Jumper Jaunt - the wearing of your most over the top Christmas jumper is encouraged but not mandatory!
  • Fri 5 Dec
  • £20-£27
Staines, Surrey, UK

The Christmas Jumper Jaunt | 50K

Join in midweek run and as it's nearly Christmas this midweek event is The Christmas Jumper Jaunt - the wearing of your most over the top Christmas jumper is encouraged but not mandatory!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
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 bobble hat, medal and goody bag at the finish.
  • Sat 6 Dec
  • £28-£40
Staines, Surrey, UK

A Christmas Carol Bobble Hat Run | 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 bobble hat, medal and goody bag at the finish.

  • Enter online
  • Flat
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.
  • Sat 6 Dec
  • £28-£40
Staines, Surrey, UK

A Christmas Carol Bobble Hat Run | Ultra Marathon

Welcome to a 7-hour timed running event where you can run an ultra at your own pace on an out-and-back route, with fuel stations each lap, and a bobble hat, medal and goody bag at the finish.

  • Enter online
  • Flat
  • Age 18 & over
  • 30.6 miles trail running + 0 ft ascent
After the success of the last 4 years of The Christmas Day Cracker Run, join the fifth Christmas Day run!
  • Thu 25 Dec
  • £23-£35
Egham, Surrey, UK

Christmas Day Cracker Run | 50K

After the success of the last 4 years of The Christmas Day Cracker Run, join the fifth Christmas Day run!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
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!
  • Fri 26 Dec
  • £28-£30
Egham, Surrey, UK

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
Join the final event in 2025 and see the year out with a bang! You can choose the medal you want from a selection from throughout the year!
  • Sat 27 Dec
  • £23-£35
Staines, Surrey, UK

Year End Time Turner | 50K

Join the final event in 2025 and see the year out with a bang! You can choose the medal you want from a selection from throughout the year!

  • Enter online
  • Age 20 & over
  • 50 km trail running + 0 ft ascent
Yay it's 2026 and what better way to celebrate than running your first 5k/marathon/50k etc!!!
  • Thu 1 Jan 2026
  • £23-£35
Staines, Surrey, UK

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
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
  • £20-£27
Staines, Surrey, UK

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
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
  • £23-£35
Staines, Surrey, UK

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
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
  • £23-£35
Staines, Surrey, UK

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

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