Hackathons in Cambridge, MA, 2026

Hack123 tracks 3 hackathons held in Cambridge, MA (in person or hybrid); all have closed for now — use them as a guide to the next edition. Breakdown: 3 in person, 3 for students, 1 beginner-friendly.

RelatedClimate & Sustainability hackathonsStudent hackathonsHealthcare hackathonsHackathons in September 2026Data hackathonsHardware & IoT hackathonsAI hackathonsBeginner-friendly hackathonsHackathons in October 2026AI Agent hackathons

• Closed · most recent first (3)
• MIT Energy & Climate Hack 2026

  Due 11-06In person · Cambridge, MA

  StudentsBeginnersInternationalEnergyData
  Register↗
• HackHarvard 2026

  Due 10-18In person · Cambridge, MA

  StudentsInternationalIntermediateStudentAgentHealthcare
  Website↗
• HackMIT 2026

  Due 09-20In person · Cambridge, MA

  StudentsInternationalIntermediate~1000 peopleAIHardware
  黑123Website↗

Filter every hackathon by prize, level and date on the home page.