Tio·Vené

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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December 2026

›Today
Sun
Mon
Tue
Wed
Thu
Fri
Sat
29
WAICY closesMNROBR+1 event
30
OBSMA
1
2
3
4
WAICY
5
WAICYONCSTEAM AHEAD
6
WAICYOBISTEAM AHEAD
7
OBICSEdWeekSTEAM AHEAD
8
OBICSEdWeekWRO+1 event
9
OBICSEdWeekWRO+1 event
10
OBICSEdWeekWRO
11
OBICSEdWeek
12
OBICSEdWeek
13
CSEdWeek
14
15
OBMEP
16
17
OBAFOG
18
USACO
19
USACOCoding Olympiad
20
USACOCoding Olympiad
21
USACOCoding OlympiadSTEM Olympiad
22
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26
27
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31
1
2

Long registration periods appear only on the days they open and close.

This month's competitions

December 2026

12 dates

OBAFOGBrazilian Rocket Olympiad (formerly MOBFOG)

Rocket Days (16 groups; invited teams only) · Aug 3 – Dec 17, 2026

Hotel Fazenda Ribeirão, Barra do Piraí/RJAstronomyBrazil
🧒 Kids🧑‍💻 Teens
happening nowConfirmedOfficial website ↗source

STEM OlympiadInternational STEM Olympiad

Project submission – STEM Maker Challenge · Oct 1 – Dec 21, 2026

Online (stemolympiad.org)ScienceInternational
🧒 Kids🧑‍💻 Teens

Hands-on engineering and Maker creation challenge for Grades 4 to 9 students.

happening nowConfirmedOfficial website ↗source

TechnovationTechnovation Girls

Team registration · Oct 11 – Mar 11, 2027

Online⚡ TechnologyProgrammingInternational
🧒 Kids🧑‍💻 Teens

Ages 8–18, in mentored teams; girls track and co-ed track

open nowConfirmedOfficial website ↗source

WAICYWorld Artificial Intelligence Competition for Youth

World Artificial Intelligence Competition for Youth Global Finals · Dec 4–6, 2026

Online⚡ TechnologyArtificial intelligenceInternational
🧒 Kids🧑‍💻 Teens

Presentation of solutions and global awards ceremony for standout AI projects.

in 24 daysConfirmedOfficial website ↗source

ONCNational Science Olympiad

National awards ceremony for medalists · Dec 5, 2026

To be confirmed by the organizersScienceBrazil
🧒 Kids🧑‍💻 Teens
in 25 daysConfirmedOfficial website ↗source

STEAM AHEADSTEAM AHEAD – International Mega Finals

STEAM AHEAD Grand Gathering & Global Finals · Dec 5–9, 2026

Rotating host city in Asia (Bali/Istanbul/Singapore)ScienceInternational
🧒 Kids🧑‍💻 Teens

Gathering of top global students across concurrent finals in Mathematics (IJMO), Science (Vanda), and Computing (DrCT).

in 25 daysConfirmedOfficial website ↗source

OBIBrazilian Olympiad in Informatics

Olympic Week (invitees only) · Dec 6–12, 2026

Unicamp Institute of Computing, Campinas/SP⚡ TechnologyProgrammingBrazil
🧒 Kids🧑‍💻 Teens🎓 University
in 26 daysConfirmedOfficial website ↗source

CSEdWeekComputer Science Education Week (CSEdWeek) and Hour of AI

Hour of AI (formerly Hour of Code): free activities · Dec 7–13, 2026

Online and in schools in many countries⚡ TechnologyArtificial intelligenceInternational
🧒 Kids🧑‍💻 Teens🌍 Adults

Activities for all ages, no experience needed; site available in Portuguese

in 27 daysConfirmedOfficial website ↗source

WROWorld Robot Olympiad (WRO) 2026

International final · Dec 8–10, 2026

San Juan, Puerto Rico⚡ TechnologyRoboticsInternational
🧒 Kids🧑‍💻 Teens🎓 University

Teams of 2 or 3; spots earned at each country's national event

in 28 daysConfirmedOfficial website ↗source

OBMEPBrazilian Public School Mathematics Olympiad

Announcement of award winners · Dec 15, 2026

Online (www.obmep.org.br)MathematicsBrazil
🧒 Kids🧑‍💻 Teens
in 35 daysConfirmedOfficial website ↗source

USACOUSA Computing Olympiad

December Contest (opening of the 2026–2027 season) · Dec 18–21, 2026

Online (usaco.org)⚡ TechnologyProgrammingInternational
🧒 Kids🧑‍💻 Teens

First contest of the new qualifying season.

in 38 daysConfirmedOfficial website ↗source

Coding OlympiadInternational Coding Olympiad

2nd Online Qualifying Round · Dec 19–21, 2026

Online (codingolympiad.org)⚡ TechnologyProgrammingInternational
🧒 Kids🧑‍💻 Teens
in 39 daysConfirmedOfficial website ↗source

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.