Cal Hacks 13.0: This year's Cal Hacks is presented by Anthropic, Annapurna Labs, SpacetimeDB, and Hyphenate! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. - Devpost

Cal Hacks 13.0

Oct 23 – 25, 2026

Join hackathon

Schedule

Schedule timezone

Period	Begins	Ends
Submissions	October 23 at 6:00pm PDT	October 25 at 10:00am PDT
Judging
Winners Announced		October 25 at 4:00pm PDT