European Defense
Tech Hackathon
6 to 8 November 2026 in Copenhagen, part of Danish Defense Tech Week.
A weekend to build for Europe’s defence.
The European Defense Tech Hub runs hackathons across Europe. Teams of engineers, developers and designers build for a weekend on challenges from frontline partners in Ukraine, NATO and across the EU, and show what they made on Sunday. This year’s focus areas are passive detection, unmanned surface vehicles and undersea infrastructure protection.
EDTH organises the hackathon. STAND helps students take part.
When and where
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When
6 to 8 Nov
Friday 12:00 to Sunday 16:00
Ends with the demos on Sunday.
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Where
Copenhagen
Venue to be announced
EDTH gives the venue with the programme.
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Signup
Open
Apply at EDTH
EDTH reviews the applications and answers by email.
Part of Danish Defense Tech Week, 5 to 12 November.
The week opens with a Sovereign Compute Summit and the hackathon, 5 to 8 November, then moves to meetups in Aalborg, Aarhus, Odense and Copenhagen, 9 to 12 November, on electronic warfare, AI and autonomy, and drones. A Ukrainian delegation from IRON Cluster, a Ukrainian defence-tech cluster, joins the week.
The week is led by Defense Innovation Highway and the European Defense Tech Hub. They publish the full programme and the signup links.