Run 500M. Hit a Station. Repeat ×8.London's Race Day for People Who Train.
Old Billingsgate Market, London · 25–27 September 2026
No booking fees · Free tee, medal & pro photo · Spectators go free
4KM of total running, 8 workout zones each led by a local gym, a live DJ and a venue full of spectators. Built for people who already train and want a race day to aim for.
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 the atmosphere of Old Billingsgate Market. You feel it from the first run to the final sprint.
Choose
Your
Challenge
View all Events
Start with Solo
£99 per racerSat · Sun
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.
Learn More →
Compete in Elite
£125 per racerSat
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
£199 for 2 racersFri · Sat · Sun
Two people, one course. Split the stations, support each other and take on the challenge side by side.
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Bring your squad in Relay
£295 team of 4Fri · Sun
Four teammates. Two zones each. Full of energy, fast transitions, shared effort. Perfect for corporates or returnees to fitness.
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Built for NextGen
£45 ages 8–15Fri · Sat · Sun
Built for young athletes aged 8-15, NEXTGEN introduces them to the FLATOUT course 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.
Learn More →
Designed for SideKicks
£119 1 adult + 1 juniorSat · Sun
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 feel the satisfaction of reaching the finish line side by side.
Learn More →Find Your Format in 20 Seconds
Six ways to race, one right answer for you. Two quick questions and we'll point you at it.
1. Who's racing?
Race Day, Step by Step
- 1
Pick your day & format
Racing runs Friday to Sunday. Choose SOLO, ELITE, DOUBLES, RELAY, NEXTGEN or SIDEKICKS, from £45.
- 2
Get your wave time & race pack
Your spot is confirmed as soon as you pay. Wave times, your free event tee and race-day details follow by email.
- 3
Race
8 × 500m runs with a gym-led workout station after each one. Live DJ, MCs and a venue full of spectators pushing you on.
- 4
Finish
Cross the line to your medal, patch and a free professional photo with Tower Bridge behind you.
Get Your Tickets Today
Racing runs Friday to Sunday at Old Billingsgate Market. Pick your format below, then choose your race day at checkout.
- No booking fee
- Free event t-shirt
- Free spectator entry
- Free professional race photo
- Finisher medal
- FLATOUT patch
Solo
£99
per racer
The individual benchmark. Tough but achievable if you train 2–3x a week.
Race days: Sat · Sun
Elite
£125
per racer
Weighted vest, stricter standards, competitive waves. Cash prizes for the top spot.
Race days: Sat
Doubles
£199
for 2 racers · £99.50 each
Two people, one course. Split the stations and finish side by side.
Race days: Fri · Sat · Sun
Relay
£295
team of 4 · £73.75 each
Four teammates, two runs and two zones each. Perfect for squads and corporates.
Race days: Fri · Sun
NextGen
£45
ages 8–15
The youth race: age-appropriate distances and loads with full race-day energy.
Race days: Fri · Sat · Sun
SideKicks
£119
1 adult + 1 junior
Take on the course together and cross the finish line as a team.
Race days: Sat · Sun
- Spot confirmed as soon as your payment clears
- Can't make it? Transfer your entry to another person up to the deadline
- Full refund if the event is cancelled
Spectators welcome. Every entry includes free spectator entry. Extra spectator and £30 Photopass tickets are available at checkout.
OUR
TESTIMONIALS
Real stories from previous participants. Hear how FLATOUT events have inspired teamwork, determination, and lasting connections.
Join Them This SeptemberThe 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!
Ready to Go Flatout?
Old Billingsgate Market, London · 25–27 September 2026. Every entry includes a free tee, finisher medal and professional race photo. Your supporters get in free.
Buy Tickets
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