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Find your people.
Build something real.

Meet other builders at hack days and hackathons, on campus and in the city.

Find your next hack

2 upcoming hacks · 5 past editions · A community that keeps building.

Three young builders crowded around one laptop at a hack

Next hacks · Registration open

Hacktoberfest Hack Days

2 hacks

  1. 31October 2026

    Hacktoberfest Hack Day — Kigali

    • Hack day
    • ALX Rwanda Hub, Deco Center, KG 9 Avenue, 3rd Floor
    • Kigali, Rwanda
    • 10:00 AM–9:00 PM CAT

    --D--H--M--S
    Registration openRegister on MLHHack details
    The Build54 Nairobi community, in an electric violet and lime photographic collage.
    Build54 community archive · Nairobi

  2. 31October 2026

    Hacktoberfest Hack Day — Ikeja

    • Hack day
    • Lagos State University College of Medicine (LASUCOM), 1–5 Oba Akinjobi Way, G.R.A.
    • Ikeja, Nigeria
    • 10:30 AM–9:00 PM WAT

    --D--H--M--S
    Registration openRegister on MLHHack details
    Builders collaborating at a previous Build54 event in Lagos.
    Build54 community archive · Lagos

Registration is hosted by Major League Hacking. Sign in or create an MLH account to register.

First hackathon? Start here

People, ideas, and everything between

Inside the room.

12 photographs · 3 hacks

The archive · since 2025

Every hack so far.

5 hacks

Planned format

How eHacks will work

Build together. From anywhere.

Planned format

Build together. From anywhere.

A planned online hackathon format whose rules, resources, and deadlines will be shared before you can sign up.

Swipe

Find your team

You will register individually, then build solo or find teammates online with complementary skills and overlapping availability.

Build around your timezone

You will work asynchronously, with recordings and written resources alongside optional live sessions.

Keep evidence as you build

You will keep a project draft, repository, and contribution notes explaining prior work and AI assistance.

Submit a reproducible demo

You will submit a reproducible demo by the published deadline and receive confirmation of acceptance.

Judged on the work

Published criteria will assess usefulness, technical execution, accessibility, originality, and clarity, with reviews informing results and feedback.

Follow the next eHack

Event details will be shared when confirmed; join updates while the format takes shape.

Join hack updates
A laughing Campus Rep in a coral shirt and b54 lanyard directing arrivals while holding a clipboard

Campus Reps · Hubs

Bring a hack to your campus.

Become a Campus Rep