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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- Fri 17 Apr
- £15-£27
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
- Sat 18 Apr
- £139
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
- Sat 18 Apr
- £23-£35
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
- Sat 18 Apr
- FREE-£100
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
- Fri 1 May
- £15-£27
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
- Sat 2 - Sun 3 May
- £39-£199
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
- Mon 4 May
- £15-£27
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
- Sun 10 May
- £23-£35
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
- Sat 16 May
- £23-£35
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
- Fri 29 May
- £15-£27
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
- Sat 6 Jun
- £23-£35
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
- Sun 7 Jun
- £23-£35
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
- Fri 12 Jun
- £15-£27
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
- Sat 13 Jun
- £60-£62
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
- Sun 14 Jun
- £23-£35
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
- Sat 20 Jun
- £60-£185
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!
- 50K ultra run 2
- 100K ultra run
- Trail run
- Charity ultra
- Sun 5 Jul
- £23-£35
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
- Fri 10 Jul
- £15-£27
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
- Sat 11 - Sun 12 Jul
- £90-£275
Race to the Stones
Travel across the Ridgeway, the UK’s oldest footpath, pass through ancient landscapes, and end at the iconic Avebury Standing Stones. This is a journey on foot through 5,000 years of history.
- 50K ultra run 2
- 100K ultra run 3
- Sat 11 Jul
- £23-£35
Ooops I Ran It Again | 50K
Who hasn't completed a race, sworn they will never run again and then booked onto another one the following day?!
- 50 km road running
- Fri 24 Jul
- £15-£27
Midweek Medal Madness Run 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
- Sat 1 Aug
- £139
North Downs 50 Ultra Challenge | 50km
Join a summer North Downs 50 Challenge! This looped route is set in an area of outstanding natural beauty of the Surrey Hills, taking in chalk ridges and ancient woodlands.
- 50 km trail running + 830 m ascent
- Sun 9 Aug
- £23-£35
Great British Bake Run | 50K
Who doesn't like cake?! The Great British Bake 50K Run is back for another year! The medal is a fantastic cupcake which doubles up as a magnet to go on your fridge!
- 50 km road running
- Fri 14 Aug
- £15-£27
Midweek Chasing Numbers Aug | 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
- Sat 15 Aug
- £23-£35
I'm Not Throwing Away My Shot Run | 50K
If you're a fan of the musical Hamilton, then this is the run for you! This is an amazing Hamilton-inspired event with an incredible themed medal too.
- 50 km trail running