--- title: The World's Biggest Hackathon – Full Documentary on Cal... description: Cal Hacks 2025 brought together 2,500+ students at Berkeley for 36 hours of intense building. Teams tackled diverse projects from AI-powered dance coaches and... canonical: https://daily.dev/posts/the-world-s-biggest-hackathon-full-documentary-on-cal-hacks-2025-k8zuoqd71 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: The World's Biggest Hackathon – Full Documentary on Cal Hacks 2025 | daily.dev og:description: Cal Hacks 2025 brought together 2,500+ students at Berkeley for 36 hours of intense building. Teams tackled diverse projects from AI-powered dance coaches and... og:url: https://daily.dev/posts/the-world-s-biggest-hackathon-full-documentary-on-cal-hacks-2025-k8zuoqd71 og:image: https://api.daily.dev/og/posts/K8ZuOQd71.png og:image:alt: The World's Biggest Hackathon – Full Documentary on Cal Hacks 2025 og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # The World's Biggest Hackathon – Full Documentary on Cal Hacks 2025 **[freeCodeCamp](https://daily.dev/sources/freecodecamp)** · 81 min read · 2 upvotes · 0 comments ## Summary Cal Hacks 2025 brought together 2,500+ students at Berkeley for 36 hours of intense building. Teams tackled diverse projects from AI-powered dance coaches and D&D dungeon masters to clinical trial optimization tools and assistive devices for the visually impaired. Despite Wi-Fi challenges forcing many to use mobile hotspots, participants pushed through with minimal sleep, leveraging sponsors' APIs and hardware. The event showcased student innovation across AI/ML, robotics, healthcare tech, and web applications, with organizers doubling participation from the previous year through extensive planning and 65+ sponsor partnerships. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Inside Cal Hacks 2025 – 36 Hours at the World's Largest Collegiate Hackathon](https://daily.dev/posts/inside-cal-hacks-2025-36-hours-at-the-world-s-largest-collegiate-hackathon-nebomjpnb) · freeCodeCamp · 2 upvotes · 0 comments - [VSLive\! 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