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 closesNEO Science
30
1
Advent of Cyber
2
3
4
MLH GHWWAICY
5
MLH GHWWAICYSTEAM AHEAD
6
MLH GHWWAICYSTEAM AHEAD
7
MLH GHWCSEdWeekSTEAM AHEAD
8
MLH GHWCSEdWeekWRO+1 event
9
MLH GHWCSEdWeekWRO+1 event
10
MLH GHWCSEdWeekWRO
11
CSEdWeek
12
CSEdWeek
13
CSEdWeek
14
15
16
17
18
USACO
19
USACOCoding Olympiad
20
USACOCoding Olympiad
21
USACOCoding OlympiadSTEM Olympiad
22
23
24
Advent of Cyber
25
26
27
28
29
30
31
1
2

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

This month's competitions

December 2026

12 dates

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

Advent of CyberTryHackMe Advent of Cyber

Daily security and hacking challenges (December 1 to 24) · Dec 1–24, 2026

Online (tryhackme.com)⚡ TechnologyCybersecurityInternational
🧑‍💻 Teens🎓 University🌍 Adults

24-day online marathon featuring interactive labs, cloud security, AI, forensics, and global prizes.

in 21 daysConfirmedOfficial website ↗source

MLH GHWMLH Global Hack Week: Open Source Week

Online hackathon week (open source) · Dec 4–10, 2026

Online⚡ TechnologyOpen sourceInternational
🧑‍💻 Teens🎓 University🌍 Adults

Free and open to anyone, anywhere

in 24 daysConfirmedOfficial 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

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

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

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

This month, no set day · announcements and estimates

AoCAdvent of Code

Daily programming puzzles (from December 1 to mid-month) · December 2026 (days to be confirmed)

Online⚡ TechnologyProgrammingInternational
🧑‍💻 Teens🎓 University🌍 Adults

Free; puzzles unlock at 2 a.m. Brasília time

awaiting datesMonth announcedOfficial website ↗source

IJSOInternational Junior Science Olympiad

Competition · December 2026 (days to be confirmed)

Sofia, BulgariaScienceInternational
🧑‍💻 Teens

Official website only says 'December 2026'; exact days not released.

awaiting datesMonth announcedOfficial 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.