BJCBreakthrough Junior Challenge
Video submission deadline · usually held in September · 2028
2026–2030 calendar
Tech competitions highlighted (⚡), science olympiads, hackathons and more. Filter by age and click an event for details.
Long registration periods appear only on the days they open and close.
This month's competitions
11 dates
No competition with a confirmed date this month.
Video submission deadline · usually held in September · 2028
CSAW CTF Qualification Round · usually held in September · 2028
Global semifinals and finals · usually held in September · 2028
Knowledge category exams · usually held in September · 2028
Single-phase online exam · usually held in September · 2028
Competition · usually held in September · 2028
Competition · usually held in September · 2028
Phase 1 exams and gamified challenges · usually held in September · 2028
Phase 1 – Online Digital Literacy Exam · usually held in September · 2028
Online international finals · usually held in September · 2028
Online contest of the Women's Computing Tournament · usually held in September · 2028
Confirmed: official days · Month announced: days to be confirmed · Estimate: the month it is usually held, not announced yet · No forecast: date unknown.
Dates checked on the organizers' official websites and calendars (last review on November 6, 2026). They may change: always confirm on the official website before registering or traveling.