HackEurope Ireland Europe's Largest Student Hackathon. €50,500 in prizes Feb 21 – 22, 2026 760 participants
ElevenLabs x 16z Worldwide Hackathon Greater London, United Kingdom ElevenLabs and a16z are holding a worldwide AI agents hackathon. We will bring together the world's best builders at 9 in-person + online events simultaneously. Feb 22-23 2025 $92,247 in prizes Feb 21 – 24, 2025 834 participants
