OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46666 participants
MountainHacks 2025 Mountain House, CA, USA Hack the Heights - A 12-hour hackathon for high-school students of all experience levels, taking place on November 8th at MHHS! $12,460 in prizes Nov 8, 2025 186 participants
LG Hacks 2.0 San Jose, CA, USA The second annual LG Hacks event at Leigh High School! $1,000 in prizes Oct 25, 2025 125 participants
