Hackathons worldwide

HackUSU is Utah State University's flagship 24-hour innovation challenge, where students team up over the weekend on case competitions, interactive workshops and hands-on projects. It is open to students of all backgrounds and skill levels.

DiamondHacks is a 36-hour hackathon organized by ACM at UC San Diego, where hundreds of students build projects across creative tracks, attend workshops, and compete for prizes.

An annual collaborative hackathon where life scientists, bioinformaticians and data stewards work intensively on bioinformatics projects. The 2026 edition runs 7-11 December in Göttingen, organized by de.NBI and ELIXIR-DE, with remote participation available.

Collaborative IETF Hackathon held on the weekend of the IETF 129 meeting in Berlin, where developers build sample code, utilities and solutions showing practical implementations of IETF standards. The IETF describes its hackathons as collaborative events, not competitions.

The 12th iteration of "Western Canada's Premier Hackathon," nwHacks is a 24-hour in-person event welcoming participants of all skill levels to build projects, learn new skills, and collaborate with mentorship and resources provided.

A two-day event bringing together the international music and tech community to collaborate on music industry challenges, turning ideas into working prototypes for music creation, listening or performance, with Radio France as main partner.

A 24-hour in-person hackathon at Rensselaer Polytechnic Institute where teams of 1-4 build tech projects from scratch. The 2026 theme is "In The Clouds".

Fintech-focused build weekend for Miami University students; teams build demos over a 24-hour window.

USSOCOM-sponsored weekend sprint prototyping search-and-rescue tech for GPS-denied environments, with an $18,000 prize pool.

10th-anniversary edition of BaselHack, a free 48-hour hackathon where developers, designers and tech enthusiasts collaborate.

A free, 24-hour in-person hackathon for up to 300 selected builders with no fixed theme.

Technica is a hackathon hosted annually at the University of Maryland, described on the official site as "the world's largest hackathon celebrating underrepresented genders." The weekend includes competitions for prizes, technical workshops and recruiter networking.

Weekend hackathon where teams build self-custodial dollar applications on RGB Protocol on Bitcoin using locally-run AI models.

Harvard's 36-hour undergraduate hackathon, attracting over 500 student participants worldwide to build projects across tracks including sustainability, cybersecurity, fintech, hardware and healthcare.

One of eight global hubs of BCG Platinion's hackathon fighting world hunger.

A 36-hour college hackathon festival at Georgia State University with four competitive tracks (Social Good, Creative, AI/ML, Fintech) plus sponsor challenges. The site presents it as the bigger second edition, with workshops, mentors and live recruiting.

An in-person collaborative hackathon in Messina where Italian-speaking technologists work on Wikimedia and OpenStreetMap projects. The event explores "alternative ways of accessing knowledge using free, minimalist and resilient technologies."

One of the largest collegiate hackathons in the world organized by MIT students, welcoming thousands of university students to build creative tech projects with mentorship from industry professionals.

A multi-day hybrid Open Hackathon hosted by the Texas Advanced Computing Center (TACC) in partnership with NVIDIA and OpenACC, where teams of researchers accelerate and optimize scientific codes on modern GPU-accelerated supercomputing platforms.

A multi-day hybrid Open Hackathon hosted by IDRIS in partnership with NVIDIA and OpenACC, pairing computational scientists with expert mentors to port and optimize scientific HPC and AI applications on GPU-accelerated architectures.