BUILDARENA Hackathon

Join us for an exciting weekend at the BuildArena Hackathon! 🤖

🗓 Date: February 11-12, 2026
📍 Location: Stockholm, Sweden

This event invites over 90 hackers from all across Europe to solve real-world corporate challenges in an intense 12-hour hackathon without sleep! Teams will collaborate in parallel across three distinct tracks:

• Defense Tech by Nordic Air Defence
  • High Altitude Counter UAS
  • Mitigation of Multiple UAS Threats
  • Open Defense Track
• Tech Ecosystems by Technology Industries of Sweden
  • Swedish Tech Unwrapped
  • Open track for Tech Ecosystems
• Customer Communication by Sinch
  • Conversations by Design

Application Process

Ensure your team consists of 1-4 members. Each participant should fill out the application form. Solo builders are welcome!
Register your team for specific tracks with available problem statements. You can apply for multiple tracks if you're undecided. Each track is limited to 8 teams. 💼

🌍 For participants traveling from outside Stockholm, we will cover travel and accommodation costs.

⏰ Application Deadline: January 18, 2026, 23:59 (Swedish time)

Event Agenda

February 11

• 08:30 - Doors open, networking & setup
• 09:00 - Opening presentation from organizers
• 10:00 - Start building!
• 11:00 - 1-hour check-in
• 12:00 - Lunch served
• 15:00 - 5-hour check-in
• 18:00 - Dinner served
• 20:00 - Evening check-in
• 22:00 - Arena closes for the night

February 12

• 08:30 - Pitch deck submission deadline
• 09:00 - Pitch presentations to track partners
• 12:00 - Track finalists announced
• 13:00 - Final pitches on Bright Stage
• 14:30 - Winner announced on Main Stage

🚫 Please note, no visitors will be allowed during the hackathon to ensure participants have the necessary space to focus. Join us for the final pitches and see what our talented teams have built!

🔗 Register Here
📧 For inquiries, email us at hello@techarena.se