3-day hackathon in New York City
November 14th-16th 2025
126 teen programmers from 15 different countries gathered at Duolingo HQ, then at Civic Hall in Manhattan, NYC.
parthenon 2025!

parthenon 2025!
From Friday night to Sunday morning, attendees spent hours hacking away at their Parthenon projects. Teens built everything from multiplayer dating sim games to Arduino-controlled DJ sets.
view all projects
At 8am on Sunday, attendees rushed to make sure their projects were shipped and working in time for the project showcase, which was attended by engineers at companies such as GitHub, Notion, Slack and Cloudflare.
The top three projects were determined through peer voting.
don't mind the celsius?!
locked in
out and about in new york city
📸
demo time!