Next arena2 teams · 4 builders · 1 challenge · 60 minutesJoin the audienceFree — limited seats
The Product Builder Arena — Édition #1
30.09.2026
Villeurbanne
Next arena30.09.2026Villeurbanne
Free — limited seatsLive on YouTube
01The concept
A match,
not a conference.
Two teams. Two builders each. One challenge, revealed on the spot. Sixty minutes to build a real, working product. Every prompt on screen. Every move on air. You test. You vote. You decide.
2 vs 2
Duel format
60:00
Live build
Live URL
Working product
Audience vote
Real-time jury
02How it runs
Five phases.
One clock.
Ninety minutes of show. Sixty minutes on the clock. Everyone in the room sees the same thing at the same time.
01
Brief
The challenge drops
02
Build
60 minutes, on air
03
Demos
Ship the URL
04
Vote
The room decides
05
Result
One winner, live
Zero-day rule
Nothing is built in advance. No constraint is ever added once the clock has started.
03Arenas
Live events.
Real products.
One evening, one match, one winner. Every Arena is filmed and stays online.
04Three ways in
Be part of the show.
Join the audience in the room. Test the products on your phone. Vote live. Your voice crowns the winner.
Apply as a builder
Think you can ship in 60 minutes? Apply for a future Arena, get matched into a team, build live. No prep.
Become a partner
Put your brand in the room and on the stream. Support the Arena, meet the builders, reach the audience.
05Partners
