100 builders. 24 hours. A real shot at SF.
To The Americas is a curated hackathon for Europe’s top 0.1% of builders.
Europe has the talent. San Francisco has the ecosystem (for now).
This is the hackathon that gives Europe’s best developers a shot at building a real startup - not just a demo.
This hasn’t been done before.
So build something freakin’ epic!!!https://london-to-sf.unicornmafia.ai/
The Prize Pool — £50k in prizes + opportunities 🤑
The Residency (SF) Fast-tracked interview + guaranteed Pre-Residency access.
Expedite O-1 visa provision and full support through the application process.
Cash Prize Pool £5,000+ cash prizes + tickets to SF.
The Plan
📍 Format: 24h in-person hackathon👥 Participants: 100-120🗓 Doors open: April 25 at 10:00🏁 Submissions close: April 26 at 13:00🥂 Closing drinks + winner reveal: April 26 at 18:00
Sponsors + Partners
🐍 Pydantic (mandated) - Build with structured AI outputs and monitor your stack in real time with Logfire.
☁️ Render - Ship and deploy your project during the hack without touching infrastructure.
Expedite · The Residency · Cognition · Mubit · BuilderBase · EncodeHub ·
Unicorn Mafia is the community for Europe’s most cracked devs. This is our flagship London event - to get builders to ship, scale, and maybe spawn a unicorn...🦄(Details on this page are subject to change.)
Judge Accessibility
Organizer email available25/25
Student-run event15/15
Actively looking for judges25/25
Small event (120 participants)10/10
No corporate sponsors10/10
New or emerging organizer10/10
Public registration available5/5
Online format (judge from anywhere)10/10
Top signals
Organizer email available
Student-run event
Actively looking for judges
Organizers
Alex Johnson
alex@example.org
Jamie Rivera
jamie@example.org
Quality Score
Quality Score
72/100
High confidence
Organiser16/20
Event Maturity14/20
Sponsors18/25
Participants12/20
Sam Chen
sam@example.org
Operations12/15
Why this score
Strong organiser track record
Returning event
Well-sponsored
Missing data
Prize details
Code of conduct
To The Americas! - Hackathon by the Unicorn Mafia | Hackathon Radar