Flat 50K ultra runs
Find flat 50k ultra runs near me 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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- Fri 26 Dec
- £33-£35
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
- Sat 14 Feb 2026
- £23-£35
The Racoon Rocket Run | 50K
Come and join The Racoon Rocket Run 50K and earn yourself a beautiful medal with an adorable picture of a fluffy raccoon on it! What more could you ask for?
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sat 21 Feb 2026
- £23-£35
The Rubber Ducky Dash | 50K
For this 50K ultra, not only will you earn a super cute rubber duck themed medal, but also your very own rubber ducky to take home with you!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sun 22 Feb 2026
- £22-£34
The Doughnut Dash | Northampton | 50K
Come and join The Doughnut Dash 50K! At this event you can earn yourself a super fun medal along with some doughnuts at the finish line to celebrate your achievement!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sun 22 Feb 2026
- £23-£35
The Wacky Run | 50K
Time to get nostalgic with the Wacky Run! I'm sure a lot of us can remember this fun cartoon and some of the crazy characters such as Dick Dastardly and Muttley, Penelope Pitstop and The Ant Hill Mob.
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km road running
- Sat 7 Mar 2026
- £23-£35
The Panda Plod | 50K
Here's an animal-inspired 50K ultra for you. The featured animal this time is a panda! The medal, as always, is incredible and definitely one to add to your collection!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sat 14 Mar 2026
- £54-£56
Spring Time Canal Canter | Ultra
Fast, flat, PB-grabbing ultra on traffic-free trails and the canal towpath with a bespoke medal and treats at the finish line. First-time ultra runners welcome.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 21 & over
- 32 miles trail running
- Sat 14 Mar 2026
- £23-£35
The Sloth Scamper | 50K
Come and join in The Sloth Scamper 50K where 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
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sun 15 Mar 2026
- £24-£38
The Dashing Dog Charity Run | Wales | 50K
Come and join the Dashing Dog Charity run in the picturesque Dare Valley Country Park. Not only is the scenery beautiful but you will earn one of these awesome medals for your 50K!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km road running
- Sat 21 Mar 2026
- £23-£35
The Flying Fox | 50K
Come and join The Flying Fox 50K event! Are you as cunning and as quick as a fox and fancy showcasing your running skills?
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sat 21 Mar 2026
- £22-£34
The Flying Fox | Northampton | 50K
Come and join in for The Flying Fox 50K event! Are you as cunning and as quick as a fox and fancy showcasing your running skills?
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sun 22 Mar 2026
- £25-£40
The Dashing Dog Charity Run | 50K
Come and join in for Dashing Dog Charity run along the picturesque River Thames, not only is the scenery beautiful and you will earn one of the awesome medals for your 50K!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km road running
- Sun 29 Mar 2026
- £54-£56
Sir Titus March Mayhem | Ultra Marathon
Spring along the Leeds and Liverpool Canal with the Spring Tide Sir Titus Trot along the flat, even towpath. Perfect for all abilities, it tends to sell out very quickly.
- Chip timing
- Enter online
- Flat
- Age 21 & over
- 52 km trail running
- Sat 11 Apr 2026
- £23-£35
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!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sun 12 Apr 2026
- £19-£36
The Dashing Dog Charity Run | North | 50K
Come and join the Dashing Dog Charity run along the picturesque River Wear. Not only is the scenery beautiful but you will earn one of these awesome medals for your 50K!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sat 18 Apr 2026
- £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!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Mon 4 May 2026
- £16-£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.
- Families
- Beginner-friendly
- Event village
- All ages
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 10 May 2026
- £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!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running
- Sat 16 May 2026
- £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?
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km road running
- Sat 30 May 2026
- £22-£35
Rocky at 50 Run | Wales | 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?
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km road running
- Sun 31 May 2026
- £36-£38
Circuit Du Sore Legs | Ultra Marathon
In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 18 & over
- 50 km track and field
- Sat 6 Jun 2026
- £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!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km road running
- Sun 7 Jun 2026
- £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!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km road running
- Sun 14 Jun 2026
- £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!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km road running
- Sun 21 Jun 2026
- £17-£29
Lord of The Run | North | 50K
Come and join in for Lord of The Run 50K run! Whether you love the series of books and the film franchise or you just fancy a run along the beautiful River Wear, then this is the event for you!
- Enter online
- Flat
- Traffic free
- Age 20 & over
- 50 km trail running