Join us for 36 hours of coding, hardware hacking and free food!

HopHacks is a student run, 36 hour Hackathon at the Johns Hopkins University. This event brings engineers, designers and entrepreneurs together to explore new ideas, compete for prizes, and create amazing applications. It allows skilled students to showcase their hard work and knowledge. The great applications students build in the 36 hours are meant to be the starting point for world changing ideas.

View full rules


Any university student, regardless of university, may participate. Graduate and undergraduate students from all departments and divisions are welcome.


At the end of the hackathon, your team can submit a project on ChallengePost. Your project will then be judged during your 2 minute presentation during our scheduled presentation time.

How to enter

To participate in HopHacks you must be registered through


Yanif Ahmad

Yanif Ahmad
Assistant Professor of Computer Science at Johns Hopkins University

Greg Hager

Greg Hager
Computer Science Department Chair at Johns Hopkins University

Sean Fahey
Vice Provost for Institutional Research at Johns Hopkins University

Yair Flicker
President at SmartLogic

Peter Wayner

Peter Wayner
Consultant & Writer at

Judging Criteria

  • Polish
    Judges will rate how polished your product and code looks, so make sure you submit the neat stuff!
  • Usefulness
    Judges will rate how well your product fills its intended need.
  • Creativity
    Judge will rate how unique and innovative your idea is.
  • Technical Difficulty
    Judges will rate how advanced your design and execution is, so don't be modest!