Los Altos Hacks X Sunnyvale, CA, USA The world's largest high school hackathon. Non-monetary prizes Apr 11 – 12, 2026 279 participants
VikingHacks 2026 Fremont, CA, USA Viking Hacks is Irvington High School's very own annual hackathon, bringing students from around the bay to build innovative projects and present their work to the community. Non-monetary prizes Mar 28, 2026 122 participants
BISV Hacks 2026 San Jose, CA, USA Let's build a better world, one hack at a time. $800 in prizes Mar 8, 2026 138 participants
AeroHacks 2026 Dublin, CA, USA AeroHacks is a fast-paced, beginner-friendly hackathon where creativity meets technology. AeroHacks is all about learning, experimenting, and having fun with code!! $8,520 in prizes Mar 6, 2026 27 participants