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
‹

October 2026

›Today
Sun
Mon
Tue
Wed
Thu
Fri
Sat
27
IOAA
28
IOAA
29
IOAA
30
IOAA
1
IOAASTEM Olympiad
2
IOAA
3
IOAANEO Science
4
IOAANEO Science
5
IOAANEO Science
6
NEO Science
7
NEO Science
8
NEO Science
9
NEO Science
10
NEO Science
11
NEO Science
12
NEO Science
13
NEO Science
14
NEO Science
15
NEO Science
16
NEO Science
17
NEO ScienceAMO
18
AMO
19
AMO
20
21
22
23
24
25
SMETA closes
26
27
28
29
30
31
CSO

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

This month's competitions

October 2026

6 dates

SMETASMETA Olympiads

Registrations for SMETA Olympiads · Aug 25 – Oct 25, 2026

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

Open registrations for primary and secondary students in Math, Science, English, and Arts.

closedConfirmedOfficial website ↗source

CSOClimateScience Olympiad

Global semifinals and finals · Sep 1 – Oct 31, 2026

OnlineScienceInternational
🧑‍💻 Teens🎓 University

Solving complex case studies on climate mitigation.

closedConfirmedOfficial website ↗source

IOAAInternational Olympiad on Astronomy and Astrophysics

Competition · Sep 25 – Oct 5, 2026

Hanoi, VietnamAstronomyInternational
🧑‍💻 Teens
closedConfirmedOfficial 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

NEO ScienceInternational NEO Science Olympiad

Qualifying Exams in Chemistry, Biology, Physics and Natural Science · Oct 3–17, 2026

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

Chemistry and Biology exams on 03/10; Physics, Math and Natural Science on 17/10.

closedConfirmedOfficial website ↗source

AMOAmerican Math Olympiad (AMO)

American Math Olympiad Official Contest · Oct 17–19, 2026

Online (and partner schools across Brazil)MathematicsInternational
🧒 Kids🧑‍💻 Teens

Test administration window featuring open-response and multiple-choice questions aligned with US Common Core standards.

closedConfirmedOfficial 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.