EcoHacks Online Build anything using STEM that relates to the environment. Your project can be a program, model, simulation, analysis, or any creative technical idea. $500 in prizes Winners TBD 191 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 121 participants
ValleyHacks Newark, CA, USA Team up with others to design, develop and deliver real world solutions that MATTER! $175 in prizes Jan 10, 2026 55 participants
Nexathon Online Where innovation meets imagination. Join the minds reshaping how the world learns, one breakthrough at a time. $60 in prizes Winners announced 72 participants
EHC OpenHack I Online A global month-long hackathon! 100% open ended: build a project, showcase it and win awards! Non-monetary prizes Winners announced 254 participants
Milpitas Hacks 2.0 Milpitas, CA, USA Hackathon for Middle and High School Students in the Bay Area $800 in prizes May 24, 2025 151 participants
GreenPioneers Online Unleash your inner creativity and create a prototype that proposes a solution to an environmental challenge! $3,445 in prizes Winners announced 578 participants
InnoHacks Winter 2023 Online Join us for a Hackathon where you can build innovative solutions to transform the way we empower the next generation. $170 in prizes Winners announced 71 participants
