HackNotts '26 Lenton, United Kingdom HackSoc's 13th annual hackathon! Non-monetary prizes Oct 25, 2026 143 participants
HackSussex 2026 Falmer, United Kingdom An in-person hackathon taking place at the University of Sussex, UK. £200 in prizes Feb 28 – Mar 1, 2026 267 participants
HackLondon 2026 Greater London, United Kingdom The annual hackathon of the world's greatest city. Hosted by KCL and UCL Non-monetary prizes Feb 21 – 22, 2026 230 participants
