TJRYouth Robotics Tournament
Regional and state qualifying stages · May 2 – Oct 31, 2026
2026–2030 calendar
Competition calendar
Tech competitions highlighted (⚡), science olympiads, hackathons and more. Filter by age and click an event for details.
⚡ Upcoming tech dates
48h HackathonsMLH GHWOnline hackathon weekNov 6–12, 2026happening now</> ProgrammingBebrasWorld-Wide Bebras Week of computational thinkingNov 9–13, 2026happening now🔐 CybersecurityCSAWCSAW Cybersecurity Games Global FinalsNov 12–14, 2026in 2 days48h HackathonsJunctionHackathon (48 h)Nov 13–15, 2026in 3 days
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Long registration periods appear only on the days they open and close.
This month's competitions
September 2026
32 dates
OBRBrazilian Robotics Olympiad
Practical category – In-person regional and state stages (window; dates vary by state) · May 29 – Sep 13, 2026
OBOceanoBrazilian Ocean Olympiad
Registrations (open to schools and general public) · Jun 8 – Sep 20, 2026
ONEENational Energy Efficiency Olympiad
Registration (done by schools) · Jun 8 – Sep 15, 2026
OBAFOGBrazilian Rocket Olympiad (formerly MOBFOG)
Rocket Days (16 groups; invited teams only) · Aug 3 – Dec 17, 2026
ONIANational Artificial Intelligence Olympiad
Registration – 3rd ONIA (deadline extended) · Aug 8 – Oct 7, 2026
SMETASMETA Olympiads
Registrations for SMETA Olympiads · Aug 25 – Oct 25, 2026
Space AppsNASA International Space Apps Challenge 2026
Participant registration · Aug 26 – Nov 15, 2026
OIABIbero-American Biology Olympiad
Competition · Aug 30 – Sep 5, 2026
CSOClimateScience Olympiad
Global semifinals and finals · Sep 1 – Oct 31, 2026
GEMA ScratchInternational Scratch Olympiad (GEMA)
Project submission – Autumn Edition · Sep 1 – Oct 31, 2026
OBGBrazilian Geography Olympiad
Final results of the online phases and qualifiers for the In-Person Phase · Sep 1, 2026
OBSUSBrazilian Sustainability Olympiad
Single-phase online exam · Sep 1–5, 2026
Hacker CupMeta Hacker Cup
Qualification Round (online, 72 hours) · Sep 4–7, 2026
OBIBrazilian Olympiad in Informatics
Phase 2 final results · Sep 4, 2026
ONEENational Energy Efficiency Olympiad
Phase 1 exams and gamified challenges · Sep 4–25, 2026
OIMIbero-American Mathematical Olympiad
Competition · Sep 6–13, 2026
OBMBrazilian Mathematical Olympiad
Announcement of selected students and participation confirmation (invitees only) · Sep 7 – Oct 2, 2026
ONCNational Science Olympiad
Announcement of Phase 2 qualifiers · Sep 10, 2026
OBIBrazilian Olympiad in Informatics
OBI Girls' Competition (CF-OBI) – Exam · Sep 11, 2026
TFC.BRWomen's Computing Tournament (TFC.BR)
Online contest of the Women's Computing Tournament · Sep 12, 2026
ONIANational Artificial Intelligence Olympiad
3rd ONIA – Phase 1 (Digital Literacy, deadline extended) · Sep 15 – Oct 11, 2026
Scratch OlympiadInternational Scratch Creative Programming Olympiad
Online international finals · Sep 15 – Oct 15, 2026
OBSMABrazilian Health and Environment Olympiad
Announcement of Regional Highlights (regional stage) · Sep 16, 2026
ONCNational Science Olympiad
Phase 2 · Sep 17–18, 2026
CSAWCSAW Cybersecurity Games & CTF
CSAW CTF Qualification Round · Sep 18–20, 2026
Hack the NorthHack the North 2026
Hackathon (36 h) · Sep 18–20, 2026
OBABrazilian Astronomy and Astronautics Olympiad
Phase 2 – International pre-selection, exam 1 (pre-selected students only) · Sep 18, 2026
OBOceanoBrazilian Ocean Olympiad
Knowledge category exams · Sep 24–26, 2026
IOAAInternational Olympiad on Astronomy and Astrophysics
Competition · Sep 25 – Oct 5, 2026
OIbFIbero-American Physics Olympiad
Competition · Sep 25 – Oct 2, 2026
OBIBrazilian Olympiad in Informatics
Phase 3 (National) – Introductory category · Sep 26, 2026
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.