Hackathons in Madrid, 2026

Hack123 tracks 3 hackathons held in Madrid (in person or hybrid); 2 are open for registration. Next deadlines: Claude Community × HappyRobot Hacka… (Nov 28), Claude Community × Nova Hackathon: … (Dec 11).

RelatedAI Coding hackathonsAI Agent hackathonsData hackathonsHackathons in December 2026AI hackathonsHackathons in November 2026

• Open · soonest deadline first (2)
• Claude Community × HappyRobot Hackathon: Agents Coaching Agents (Madrid, one-day Claude Code hackathon)

  Due 11-28In person · Madrid

  ProfessionalsInternationalAdvanced~30 peopleAgentAI codingAI
  Register↗
• Claude Community × Nova Hackathon: Reinventing Networking (Madrid, weekend Claude Code hackathon)

  Due 12-11In person · Madrid

  ProfessionalsInternationalIntermediate~50 peopleAIAgentAI coding
  Register↗
• Closed · most recent first (1)
• Anthropic Claude Code Hackathon Madrid: Close the Books

  Due 11-07In person · Madrid

  ProfessionalsInternationalAdvanced~70 peopleAgentData
  Luma↗

Filter every hackathon by prize, level and date on the home page.