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
NEO Science
30
OBSMA
1
2
3
4
5
ONCSTEAM AHEAD
6
STEAM AHEAD
7
STEAM AHEADOBM
8
STEAM AHEADOBMOBL
9
STEAM AHEADOBM
10
11
OBFEP
12
13
14
OBM
15
OBMEP
16
17
OBAFOG
18
FEBRACE
19
20
21
STEM Olympiad
22
23
24
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

11 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

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

OBMBrazilian Mathematical Olympiad

Score review requests · Dec 7–9, 2026

OnlineMathematicsBrazil
🧑‍💻 Teens🎓 University
in 27 daysConfirmedOfficial website ↗source

OBLBrazilian Linguistics Olympiad

Andrei Zalizniak Tournament – results · Dec 8, 2026

OnlineLinguisticsBrazil
🧑‍💻 Teens
in 28 daysConfirmedOfficial website ↗source

OBFEPBrazilian Public School Physics Olympiad

Final results – 3rd and 4th years (announced by this date) · Dec 11, 2026

Online (OBFEP portal)PhysicsBrazil
🧑‍💻 Teens
in 31 daysConfirmedOfficial website ↗source

OBMBrazilian Mathematical Olympiad

Announcement of award winners · Dec 14, 2026

Online (www.obm.org.br)MathematicsBrazil
🧑‍💻 Teens🎓 University
in 34 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

FEBRACEBrazilian Science and Engineering Fair (FEBRACE)

FEBRACE 2027 finalists announced (2 p.m. Brasília time) · Dec 18, 2026

OnlineScienceBrazil
🧑‍💻 Teens
in 38 daysConfirmedOfficial website ↗source

This month, no set day · announcements and estimates

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.