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50K ultra runs in South East

Find 50k ultra runs in South East in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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"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
  • £23-£35
Staines, Surrey

Milkshake Meander | 50K

"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!

  • 50 km trail running
Come and join the day of running and aim to complete 50K at your own pace on a scenic course then receive a fantastic Easter egg themed medal and goody bag at the finish!
  • Thu 2 Apr
  • £23-£35
Egham, Surrey

Eggcellent Easter Orange Run | 50K

Come and join the day of running and aim to complete 50K at your own pace on a scenic course then receive a fantastic Easter egg themed medal and goody bag at the finish!

  • 50 km trail running
The Eggcellent Easter Pink Run is the second event in the five-day series where you can earn the fantastic easter egg medal in pink!
  • Fri 3 Apr
  • £23-£35
Egham, Surrey

Eggcellent Easter Pink Run | 50K

The Eggcellent Easter Pink Run is the second event in the five-day series where you can earn the fantastic easter egg medal in pink!

  • 50 km trail running
The Eggcellent Easter Green Run is the third event in the five-day series where you can earn the fantastic easter egg medal in green!
  • Sat 4 Apr
  • £23-£35
Staines, Surrey

Eggcellent Easter Green Run | 50K

The Eggcellent Easter Green Run is the third event in the five-day series where you can earn the fantastic easter egg medal in green!

  • 50 km trail running
The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!
  • Sun 5 Apr
  • £23-£35
Staines, Surrey

Eggcellent Easter Purple Run | 50K

The Eggcellent Easter Purple Run is the fourth event in the five day series where you can earn the fantastic easter egg medal, this time in purple!

  • 50 km trail running
The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!
  • Mon 6 Apr
  • £23-£35
Staines, Surrey

Eggcellent Easter Blue Run | 50K

The Eggcellent Easter Blue Run is the fifth and final event in the five day series where you can earn the fantastic easter egg medal, this time in blue!

  • 50 km trail running
Whether you are in the love it or hate it camp, I think we can all agree that the 50K medal is super cute and definitely one which you need to add to your collection!
  • Sat 11 Apr
  • £23-£35
Staines, Surrey

Love it or Hate it Run | 50K

Whether you are in the love it or hate it camp, I think we can all agree that the 50K medal is super cute and definitely one which you need to add to your collection!

  • 50 km trail running
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 17 Apr
  • £15-£27
Staines, Surrey

Midweek Medal Madness Run April | 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.

  • 50 km trail running
Get active after Easter on a 50km challenge from Windsor Racecourse on looped routes through the Great Park with fantastic views of the castle, to Runnymede along the Thames Path.
  • Sat 18 Apr
  • £139
Windsor, Berkshire

Windsor 50 Ultra Challenge | 50km

Get active after Easter on a 50km challenge from Windsor Racecourse on looped routes through the Great Park with fantastic views of the castle, to Runnymede along the Thames Path.

  • 50 km trail running + 320 m ascent
Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city? Come and enjoy a 50K instead!
  • Sat 18 Apr
  • £23-£35
Staines, Surrey

The London Run | 50K

Not made it into The London Marathon but still fancy getting a super awesome medal based on the iconic race set in the capital city? Come and enjoy a 50K instead!

  • 50 km trail running
Join over 1,200 runners and walkers to the Serpent Trail, a stunning route that weaves through the greensand hills, rivers, woodland, and lowland heath of the South Downs National Park.
  • Sat 18 Apr
  • FREE-£100
Midhurst, West Sussex

Spring Trail Series | 50K

Join over 1,200 runners and walkers to the Serpent Trail, a stunning route that weaves through the greensand hills, rivers, woodland, and lowland heath of the South Downs National Park.

  • 50 km trail running + 1088 m 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 1 May
  • £15-£27
Egham, Surrey

Midweek Chasing Numbers May | 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.

  • 50 km trail running
Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further this year!
  • Sat 2 - Sun 3 May
  • £39-£199
Ventnor, Isle of Wight

Isle of Wight Ultra Challenge

Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further this year!

  • Trail run 3
  • 50K ultra run 3
  • 100K ultra run 2
  • Ultra run
This Bank Holiday event is run 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.
  • Mon 4 May
  • £15-£27
Staines, Surrey

Bank Holiday Madness May

This Bank Holiday event is run 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.

  • Trail run
  • 5K run
  • 10K run
  • Half marathon
  • Marathon
  • + 3 more races
Come and join the Spring 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!
  • Sun 10 May
  • £23-£35
Staines, Surrey

The Spring Lucky Dip Run | 50K

Come and join the Spring 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!

  • 50 km trail running
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run 50K?
  • Sat 16 May
  • £23-£35
Staines, Surrey

Rocky at 50 Run | 50K

Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run 50K?

  • 50 km road running
Come and join this May Midweek Medal Madness event, where runners will also be celebrating Leon's Birthday!
  • Fri 29 May
  • £15-£27
Staines, Surrey

Midweek Medal Madness | Leons Birthday Run | 50K

Come and join this May Midweek Medal Madness event, where runners will also be celebrating Leon's Birthday!

  • 50 km road running
Who remembers the character Strawberry Shortcake and all her adorable friends like Orange Blossom and Lemon Meringue?! Here's your chance for a medal of her for your 50K!
  • Sat 6 Jun
  • £23-£35
Staines, Surrey

Strawberry Shortcake Scamper | 50K

Who remembers the character Strawberry Shortcake and all her adorable friends like Orange Blossom and Lemon Meringue?! Here's your chance for a medal of her for your 50K!

  • 50 km road running
Come and join the Summer 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!
  • Sun 7 Jun
  • £23-£35
Staines, Surrey

The Summer Lucky Dip Run | 50K

Come and join the Summer 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!

  • 50 km road running
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 12 Jun
  • £15-£27
Egham, Surrey

Midweek Chasing Numbers June | 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.

  • 50 km trail running
Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.
  • Sat 13 Jun
  • £60-£62
Wadhurst, East Sussex

Bewl Water Summer | Ultra

Scenic mixed-terrain route around Bewl Water on undulating rural wooded trails and quiet country lanes. The marathon on the same day was previously rated one of the top UK marathons.

  • 50 km trail running + 1500 ft ascent
Come and celebrate the 40th anniversary of the iconic film released in 1986! A cult classic from the 80s, one of Charlotte's favourite films, and who doesn't love David Bowie as the Goblin King!
  • Sun 14 Jun
  • £23-£35
Staines, Surrey

Labyrinth 40th Anniversary Run | 50K

Come and celebrate the 40th anniversary of the iconic film released in 1986! A cult classic from the 80s, one of Charlotte's favourite films, and who doesn't love David Bowie as the Goblin King!

  • 50 km road running
Take on a challenge fit for royalty in this epic ultramarathon taking in the South coast, South Downs Way, and Monarch’s Way over your choice of distance from a 30km loop up to a non-stop 100km!
  • Sat 20 Jun
  • £60-£185
Chichester, West Sussex

Race to the King

Take on a challenge fit for royalty in this epic ultramarathon taking in the South coast, South Downs Way, and Monarch’s Way over your choice of distance from a 30km loop up to a non-stop 100km!

  • 100K ultra run
  • 50K ultra run 2
  • Trail run
  • Charity ultra
A run that you don't want to miss! The medal is incredible, and you can celebrate your achievements with some well-deserved ice cream!
  • Sun 5 Jul
  • £23-£35
Staines, Surrey

Will Run For Ice Cream | 50K

A run that you don't want to miss! The medal is incredible, and you can celebrate your achievements with some well-deserved ice cream!

  • 50 km road running
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 10 Jul
  • £15-£27
Egham, Surrey

Midweek Chasing Numbers July | 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.

  • 50 km trail running

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