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 9552 participants
HackHarvard2026: Hack to the Moon Boston, MA, USA The 11th iteration of the HackHarvard Undergraduate Hackathon Non-monetary prizes Oct 16 – 18, 2026 257 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46664 participants
LA Hacks 2026 Los Angeles, CA, USA Come find your spark at LA Hacks 2026! $24,494 in prizes Apr 24 – 26, 2026 974 participants
ConUHacks X Montreal, Canada Dream it, Hack it! $CAD 41,351 in prizes Jan 24 – 25, 2026 876 participants
McHacks 13 Montréal, Canada McGill’s biggest and most magical hackathon, convening the brightest minds with the support of industry partners to drive innovation through workshops, mentorship and collaboration $8,600 in prizes Jan 17 – 18, 2026 485 participants
Datathon PolyFinances 2025 Montreal, Canada An intensive challenge where data and finance students join forces to solve real-world business problems. $4,500 in prizes Nov 1 – 2, 2025 109 participants
HackHarvard 2025: Compile the Decade Cambridge, MA, USA Compile the Decade for our 10th anniversary Non-monetary prizes Oct 3 – 5, 2025 528 participants