8 Workout Zones. 4KM Running.One Race That Puts Your Training to the Test.
London · 25 · 26 · 27 September 2026
Secure your spot, next event filling up
FLATOUT combines running and functional workout zones into one high-energy race experience. Guided by local gyms, powered by live crowds, and built for those who already train and want more from it.
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What is Flatout?
FLATOUT is a full race-day challenge built to test your pace, power, and mindset.
You'll take on 4KM of total running, broken into 8 x 500M runs, with a functional workout station waiting after every run.
Every zone is led by a local gym, with a live DJ, MCs, spectators, and a unique venue atmosphere. FLATOUT becomes an experience you feel from the first run to the final sprint.
Choose
Your
Challenge
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Start with Solo
Tough but achievable. SOLO is built for people who train consistently and want to see how their training performs in a race environment. A structured challenge, a clear benchmark, and a result that gives you something to build on.
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Compete in Elite
You know what you're capable of. ELITE is built for those who want to find out exactly where they stand. Heavier loads, faster standards, and stricter demands. Just you, the clock, and the course.
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Team up with Doubles
Two people, one course. Split the stations, support each other and take on the challenge side by side.
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Bring your crew in Relay
Four teammates. Two zones each. Full of energy, fast transition, shared effort - perfect for corporates or returnees to fitness.
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Built for NextGen
Built for young athletes aged 8-15, NextGen introduces participants to the Flatout race experience through age-appropriate running and workout zones. It gives active youngsters a structured challenge to work towards while encouraging movement, effort, and enjoyment in a supportive race-day environment.
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Designed for SideKicks
Designed for one adult and one junior participant, Sidekicks turns the Flatout course into a shared challenge. Teams take on workout zones together, support each other throughout the event, and experience the satisfaction of reaching the finish line side by side.
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How Flatout Works
FLATOUT is designed for people whose training needs a focal point. Choose your format, set your target, and take on 8 high-energy zones built to test your running, strength, and endurance. Push through each stage, beat your time, and cross the finish line knowing exactly what you're made of.
About Us
OUR
TESTIMONIALS
Real stories from previous participants. Hear how Flatout events have inspired teamwork, determination, and lasting connections.
Learn MoreThe whole experience was electric. Good choice of activities.
The staff on each section were helpful and wanted you to succeed.
Really loved the energy. The support from all the crew at each station really helped with motivation.
The feeling of accomplishment at the end was amazing!
Get In
Touch
Have a question or want to join the next event? Get in touch - we'd love to hear from you.
info@weareflatout.co.uk