ChilangoHacks Ciudad de México, Mexico ChilangoHacks is the first student hackathon in Mexico City, where developers, designers, and entrepreneurs come together to build innovative solutions. Non-monetary prizes Oct 31 – Nov 1, 2025 14 participants
Techs Sparking Challenge Online Make solutions from any tech stack Non-monetary prizes Winners announced 179 participants
Horror Hacks Online A beginner friendly hackathon centered all about Halloween! $300 in prizes Winners announced 325 participants
Google Chrome Built-in AI Challenge 2025 Online Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI. $70,000 in prizes Winners announced 14063 participants
BUILD Halloween Hacks Online Join the BUILD Halloween Hacks this October 1-October 31, 2025 for a spooky community hackathon! $9,717 in prizes Winners announced 225 participants
Maximally Hacktober: A Month-Long Hackathon for the Builders Who Won’t Quit Online 31 days. One idea. Build slow, build loud, finish strong. ₹ 169,000 in prizes Winners announced 258 participants
Reddit and Kiro: Community Games Challenge Online Reddit and Kiro are hosting a virtual hackathon for the best community game! $45,000 in prizes Winners announced 1926 participants
Global Innovation Challenge in Low-Cost Prosthetics 2025 Online prosthetics-challenge-2025.devpost.com $400 in prizes Winners announced 54 participants
TrackShift Innovation Challenge Sahibzada Ajit Singh Nagar, India Where Ideas Pit Stop and Innovations Refuel ₹ 175,000 in prizes Oct 9 – 30, 2025 1820 participants
Solstice SRM Nagar, India From one idea to multiverse of innovation... ₹ 6,000 in prizes Oct 7 – 29, 2025 81 participants
Azure AI Codeathon Online Build smarter. Innovate faster. Shape the future with Azure AI. Non-monetary prizes Winners announced 31 participants
Interledger Hackathon 2025 Ciudad de México, Mexico Join us for our annual 24-hour Interledger Hackathon! Dive into the world of Open Payments and develop innovative solutions using the Interledger Open Payments API. $15,000 in prizes Oct 7 – 27, 2025 10 participants
Spookathon 2025 Costa Mesa, CA, USA A Halloween-inspired hackathon hosted by the Iota Xi Honor Society at Orange Coast College. $1,000 in prizes Oct 24 – 26, 2025 91 participants
AI Innovation Challenge Online Innovate AI Ideas Non-monetary prizes Winners announced 75 participants
Girls Hoo Hack 2025 Charlottesville, VA, USA Girls Hoo Hack is a gender-inclusive, women-centered hackathon that is focused on promoting innovation while celebrating diversity. $500 in prizes Oct 25 – 26, 2025 124 participants
HackMty 2025 Monterrey, Mexico Latin America’s biggest student-hackathon, where ideas spark, teams collide, impact ignites. Non-monetary prizes Oct 24 – 26, 2025 821 participants
WashU Hackathon 2025 - Brought to you by Hack WashU x Skandalaris x Mayfield St. Louis, MO, USA Bringing WashU's most creative minds together to build solutions that matter $6,750 in prizes Oct 24 – 26, 2025 60 participants
CBIT HACKTOBERFEST HACKATHON 2025 Online learn, code, share! Non-monetary prizes Winners announced 33 participants
Eurekathon 2025 - Low/No Code & Prizes for all participants Online A 5-week global innovation challenge blending science fairs and hackathons. Research or code your way to innovation across multiple STEM tracks! Code, research and win prizes! $35,774 in prizes Winners announced 232 participants
Awesome presentations Online Create presentations from documents in seconds Non-monetary prizes Winners announced 38 participants
Maximally PromptStorm Online 24 hours to bend AI with pure prompts. Chaos, speed, and creativity collide. ₹ 169,000 in prizes Winners announced 198 participants
AI Accelerate: Unlocking New Frontiers Online Unlocking New Frontiers: A Multi-Partner Google Cloud Hackathon $50,000 in prizes Winners announced 2726 participants
MkSU Hackfest 2025 (3rd Edition) Machakos, Kenya Join 100+ hackers this October at MksU Hackfest 25! Build, learn, and connect through workshops, fun activities, and networking with top tech companies. Non-monetary prizes Oct 24, 2025 68 participants
