Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 9532 participants
Cal Hacks 13.0 San Francisco, CA, USA This year's Cal Hacks is presented by Anthropic, Annapurna Labs, Spacetime, and Hyphenate! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $204,408 in prizes Oct 23 – 25, 2026 1917 participants
DubHacks '26 Seattle, WA, USA The largest collegiate hackathon in the Pacific Northwest! $10,700 in prizes Oct 17 – 18, 2026 781 participants
CockroachDB × AWS Hackathon - Build with Agentic Memory Online Agents that think. Agents that act. Agents that remember; reliably, globally, at any scale. $8,750 in prizes Winners announced 3689 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14430 participants
AWSHacks 2026 Seattle, WA, USA Harness the power of AWS to build cloud solutions with gratitude! $645 in prizes May 16 – 17, 2026 66 participants
UWB Hacks: The Future! Bothell, WA, USA Get ready for the 10th anniversary of UWB Hacks! Push your skills to their limit and look towards the next decade as we Hack the Future! $9,000 in prizes Feb 23 – Apr 26, 2026 462 participants
