---
title: "Hacktoberfest Hack Day Barcelona"
date: 2026-10-24T11:00:00+00:00
end_date: 2026-10-24T18:00:00+00:00
location: "Barcelona, ES"
format: onsite
type: hackathon
level: open
prize: N/A
tags: "ai, open-source"
url: "https://events.mlh.com/events/14748-hacktoberfest-hack-day-barcelona"
canonical: "https://hackathonhub.eu/events/hacktoberfest-hack-day-barcelona-barcelona-2026"
---

# Hacktoberfest Hack Day Barcelona

**Date:** 2026-10-24 — 2026-10-24  
**Location:** Barcelona, ES  
**Format:** onsite  
**Type:** hackathon  
**Level:** open  
**Tags:** ai, open-source

Join the Hacktoberfest Hack Day in Barcelona, a one-day offline hackathon focusing on open-source AI and open-weight models. The event encourages participants to leverage AI tools for their project development. Attendees will have five hours to transform ideas into working prototypes, with prizes awarded to the best projects.

[Register or learn more](https://events.mlh.com/events/14748-hacktoberfest-hack-day-barcelona)

[View on Hackathon Hub](https://hackathonhub.eu/events/hacktoberfest-hack-day-barcelona-barcelona-2026)