Hack4Hack

Hackathons in the USA (2026)

The United States has a large hackathon scene, from university hackathons to company and city innovation events, and a growing number of online hackathons and ML competitions open only to US residents.

Open and upcoming

  • AgentRush USA 2026

    Build AI agents that actually do the work. 7 problem statements, $5,000 in prizes for the top 15. Round 1 is free.

    Hackathon by Hack4Hack · Online · USA only · $5,000 in prizes · Free · Registration closes Nov 22, 2026

  • Model Mayhem USA 2026

    A 24-hour sprint, then a 48-hour final. $3,000 in prizes for the top 15. Round 1 is free; the top 100 teams make the final.

    Datathon by Hack4Hack · Online · USA only · $3,000 in prizes · Free · Registration closes Nov 28, 2026

About hackathons in the usa

Every hackathon here shows its venue or format, dates, team size, prizes and registration deadline, including online hackathons open only to people based in the USA. If nothing in the USA is open right now, the online hackathons below are open to you from anywhere.

Frequently asked questions

Where can I find hackathons in the USA?

This page lists every in-person hackathon in the USA on Hack4Hack, with the nearest deadlines first, and online hackathons you can join from the USA underneath.

Can I join online hackathons from the USA?

Yes, unless an organizer limits who can take part. Each hackathon page lists who is eligible.

Can I join without a team?

Yes. Register and tick “I don’t have a full team yet” to list your team under Find a team, or ask to join a team that is looking for members. Some hackathons also allow solo entries.