FLATOUT London
London's
Fitness Race
4km of running. 8 workout zones. Three days of racing inside the iconic Old Billingsgate, surrounded by Tower Bridge, The Shard and the city skyline.
25–27 September • Old Billingsgate
Tickets from £45 • No booking fee
Choose Your Format
Racing runs Friday to Sunday at Old Billingsgate. 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
Pay in 3 interest-free payments with PayPal, available at checkout
Spectators welcome. Every entry includes free spectator entry. Extra spectator and £30 Photopass tickets are available at checkout.
Race Inside One of London's Most Iconic Event Spaces
Set beside Tower Bridge and moments from some of London's most recognisable landmarks, Old Billingsgate delivers a race environment unlike anything else on the FLATOUT calendar.
Industrial atmosphere. Iconic skyline. Unmatched energy.
From the moment participants step inside Old Billingsgate, everything is built to feel bigger, louder, and more electric. Every zone, every station, and every finish-line moment takes place against the backdrop of one of the world's most iconic cities.
This is not just another event location. This is FLATOUT London.
More Than Race Day
FLATOUT's signature race format combines endurance, strength and grit across a course of high-intensity zones. Built for every level of participant, whether it's your first start line or your strongest performance yet.
4km
of running
8
workout zones
3
days of racing
Every entry includes
- No booking fee
- Free event t-shirt
- Free spectator entry
- Free professional race photo
- Finisher medal
- FLATOUT patch
Sidekicks Launches in London
FLATOUT London will officially introduce SIDEKICKS: a brand-new format built for adults and juniors taking on the challenge together.
Designed around teamwork, encouragement, and shared achievement, SIDEKICKS brings a completely new energy to race day. Teams move through the course side by side, supporting each other through every zone and crossing the finish line together.
One course. Two of you. Everything from the first zone to the finish line, together.
Sidekicks
£119
1 adult + 1 junior · Race days: Sat · Sun
Sidekicks Includes
- One adult + one junior team format
- Adapted race distances
- Every zone taken on together
- Supportive and high-energy environment
- Exclusive London launch event
Capture the Moment
Every participant will receive a professional race-day photo with Tower Bridge as the backdrop, included with entry.
After the final zone and the final push to the finish line, participants will walk away with more than a result. They will leave with a moment captured in one of London's most iconic locations.
A finish-line memory worthy of the challenge.
Event Information
Venue: Old Billingsgate, London
Dates: 25–27 September
Formats and race days
- SoloSat · Sun · £99
- EliteSat · £125
- DoublesFri · Sat · Sun · £199
- RelayFri · Sun · £295
- NextGenFri · Sat · Sun · £45
- SideKicksSat · Sun · £119
Day availability can change as waves fill. Checkout always shows what's live.
Be Part of Flatout London
This September, FLATOUT arrives at Old Billingsgate for three days of racing and atmosphere. A start line worth travelling for.
Waves fill in booking order. Early entries get first choice of race day and wave.
