The Agent Development Kit (ADK) Hackathon concluded successfully, engaging over 10,400 participants from 62 countries and producing 477 projects with over 1,500 agents. The event provided a platform for developers to explore cutting-edge technologies and build next-generation agents. The hackathon's focus was on orchestrating interactions between multiple agents using ADK to solve complex challenges across various sectors. The Grand Prize was awarded to SalesShortcut, an AI-powered sales development representative system. Regional winners included Energy Agent AI for North America, Edu.AI for Latin America, GreenOps for Asia Pacific, and Nexora-AI for Europe, Middle East, and Africa. Honorable mentions were given to Particle Physics Agent, TradeSageAI, and Bleach for their innovative contributions. The ADK Hackathon encourages continued learning and participation in future events. The next hackathon celebrates Google Kubernetes Engine's 10th anniversary, focusing on building AI agents that interact with microservices on GKE. Submissions for the GKE hackathon are open from August 18 to September 22, 2025, with over $50,000 in prizes available.