Hackathons, ideathons & innovation competitions

Hackathons in progress and starting soon

Explore these dated listings, then use the table to compare regions, online options, themes and application deadlines. An upcoming event may already have closed applications. Check the organizer's website before applying or planning travel.

• Hacking the City - Turin

  Jan 31, 2026 – Dec 30, 2026 · Turin, Italy

• MassChallenge Switzerland Accelerator 2026

  Jun 29, 2026 – Oct 29, 2026 · Lausanne, Switzerland

• Lab of the Future Hackathon (Imperial)

  Aug 12, 2026 – Nov 25, 2026 · London, United Kingdom

• Smart India Hackathon 2026

  Aug 31, 2026 – Dec 14, 2026 · Multiple Cities, India

• Hackathon Future Smart City 2026

  Sep 9, 2026 – Nov 5, 2026 · Łódź, Poland

• Tech Hub Africa Hackathon 2026 Challenge

  Sep 10, 2026 – Dec 18, 2026 · Online

• Alfa Connectome: Limit Order Book ML Competition

  Sep 11, 2026 – Dec 1, 2026 · Online

• MDBA Youth Blockchain Hackathon

  Sep 15, 2026 – Nov 1, 2026 · Online

• Wiesbadener Gründungspreis StartAward 2026

  Sep 15, 2026 – Oct 27, 2026 · Wiesbaden, Germany; final at Tattersall

• MERGE Startup Contest Madrid 2026

  Sep 21, 2026 – Oct 29, 2026 · Digitaliza Madrid · Centro de Innovación; MERGE Madrid

• Student Competition 2026 - 4th Edition

  Sep 25, 2026 – Feb 26, 2027 · Gullegem, Belgium

• Tech Talent Program: Deep Tech Journey

  Sep 28, 2026 – Dec 15, 2026 · Bouchéstraße 12

• AI Summit Barcelona 2026 Hackathon

  Sep 30, 2026 – Oct 30, 2026 · Barcelona, Spain

• Belgium's Biggest Hackathon

  Sep 30, 2026 – Oct 20, 2026 · Ghent, Belgium

• NASA Space Apps Challenge Sevilla 2026

  Sep 30, 2026 – Oct 30, 2026 · Seville, Spain

• NASA Space Apps Challenge Turin 2026

  Sep 30, 2026 – Oct 30, 2026 · Turin, Italy

• Киберучения 2026 (Cyber Exercises 2026)

  Sep 30, 2026 – Oct 30, 2026 · Yekaterinburg, Russia

• EduHack + AI festival: Code - Present Digital visionaries in the age of AI

  Oct 1, 2026 – Nov 5, 2026 · 63 Sankt Peterburg Blvd

• Entrepreneurial Woman Project 2026

  Oct 3, 2026 – Nov 23, 2026 · Luxembourg Chamber of Commerce, Kirchberg, Luxembourg

• Rebuild Green Hackathon 2026: An International Hackathon for the Green Recovery of Ukrainian Communities

  Oct 3, 2026 – Oct 24, 2026 · Online

• GrazConnects

  Oct 5, 2026 – Oct 16, 2026 · Graz, Austria

• European AI Hackathon

  Oct 6, 2026 – Oct 29, 2026 · Stuttgart, Germany

• European AI Hackathon - Stuttgart

  Oct 6, 2026 – Oct 29, 2026 · HLRS, University of Stuttgart, Stuttgart, Germany

• AI for Particle Accelerators Hackathon

  Oct 11, 2026 – Oct 16, 2026 · Les Domaines de Gaston, Normandy countryside along the Seine

Find your next hackathon or ideathon

Browse worldwide hackathons, ideathons, coding challenges and innovation competitions. Use the grid to compare start and end dates, application deadlines, locations and online events. An event can remain listed after its start date while it is still in progress; check the organizer's site for the latest details before applying or travelling.