Hello World 2025 West Lafayette, IN, USA The biggest hackathon in Purdue history. Non-monetary prizes Sep 20 – 21, 2025 410 participants
MVHacks 7.0 Online Each year, high school hackers from across the Bay Area come together to create cool projects, learn from experts, and participate in 12 hours of hacking! $3,579 in prizes Winners announced 27 participants
monday.com climate change app challenge Online Build an app for a greener tomorrow $160,000 in prizes Winners announced 819 participants
MVHacks 4.5 Online Beginner-friendly hackathon based in Mountain View $1,023 in prizes Winners announced 38 participants