Join Web Hackathons 2026

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IN-PERSON HackBelfast

April 11, 2026 - April 12, 2026

Ended

HackBelfast is a brand-new, student-focused hackathon launching in 2026, designed to bring together 150+ innovators from universities across Ireland. Over an intensive 24-36 hours, students …

IN-PERSON Code-A-Site

April 10, 2026 - April 11, 2026

Ended

We're looking for undergraduate and graduate developers, designers, and innovators. It'll be in-person and fun. We'll have workshops, free food, and prizes. The address of …

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beginner · web · In-person
ONLINE Build with MeDo Hackathon

April 9, 2026 - May 20, 2026

Ended

Build with MeDo Hackathon Prizes: $50,000+ Submission period: April 9 – May 20 Rules & Homepage Here: https://medo.devpost.com Build creative applications with MeDo, no coding …

IN-PERSON Q-Summit Hackathon

April 8, 2026 - April 9, 2026

Ended

🚨 Applications for Q‑Hack 2026 are officially open! 🚀 Ready to boost your carrer and make an impact💥 📅 April 8–9, 2026 📍 Baroque Palace, …

IN-PERSON CBHS 2026 Hackathon

April 7, 2026 - April 12, 2026

Ended

Cypress Bay’s First Ever Hackathon Presented by SHPE This isn't just for coders—it's for anyone with an idea and the drive to build it. We …

IN-PERSON JacHacks

April 4, 2026 - April 5, 2026

Ended

Hackathon Site: https://jachacks.org Main Description: Ann Arbor, MI · April 4-5, 2026 · 24 Hours · Free to Attend JacHacks is a 24-hour hackathon where …

ONLINE Maximally SaaS Sprint: Build in 7 Days

March 31, 2026 - April 6, 2026

Ended

Maximally SaaS Sprint is a 7-day, execution-first build sprint designed for serious builders. This is not a beginner-friendly hackathon. This is not an ideathon. This …

IN-PERSON MVHacks 9.0

March 28, 2026

Date TBD

About the challenge Each year, high school hackers from across the Bay Area come together at MVHacks to create cool projects, learn from experts, and …

IN-PERSON Shift Hackathon

March 27, 2026 - March 29, 2026

Ended

Shift is a 48-hour in-person hackathon where developers, designers and product lovers team up to rapidly build innovative generative AI products, with mentoring, user testing …

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ai · art · friendly · machine learning · web · Nantes, Pays de la Loire, France
IN-PERSON ConHacks 2026

March 27, 2026 - March 29, 2026

Ended

Welcome to ConHacks 2026, the premier hackathon hosted by the Conestoga Computing Society (CCS). For 36 hours, we are turning the Waterloo Campus into a …

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