IOAIInternational Olympiad in Artificial Intelligence
Competition · Jul 4–10, 2027
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
Sun
Mon
Tue
Wed
Thu
Fri
Sat
27
28
29
30
1
2
3
4
11
12
13
14
15
16
17
29
30
31
Long registration periods appear only on the days they open and close.
This month's competitions
July 2027
13 dates
IYPTInternational Young Physicists' Tournament
Competition · Jul 5–12, 2027
IMOInternational Mathematical Olympiad
Competition · Jul 16–26, 2027
IBOInternational Biology Olympiad
Competition · Jul 18–25, 2027
IChOInternational Chemistry Olympiad
Competition · Jul 19–28, 2027
IOLInternational Linguistics Olympiad
Competition · Jul 21–28, 2027
This month, no set day · announcements and estimates
AWTFAtCoder World Tour Finals
World final · usually held in July · 2027
Cyber ApocalypseHack The Box – Cyber Apocalypse CTF
Hack The Box Cyber Apocalypse global marathon · usually held in July · 2027
ICPC LatAmICPC Latin America Championship
Latin American championship · July 2027 (days to be confirmed)
IPhOInternational Physics Olympiad
Competition · July 2027 (days to be confirmed)
MOSTRATECInternational Science and Technology Fair (MOSTRATEC)
Project submission · usually held in July · 2027
NEO ScienceInternational NEO Science Olympiad
International NEO Science Olympiad Grand Final · usually held in July · 2027
SIMOCSingapore International Math Olympiad Challenge (SIMOC)
SIMOC In-Person International Grand Finals · usually held in July · 2027
No date yet in 2027 (16)
CSCPTCybersecurity Challenge PT
Qualifying competition (date to be defined) · no date forecast yet · 2027
Cone SulSouthern Cone Mathematical Olympiad
Competition · no date forecast yet · 2027
EGOIEuropean Girls' Olympiad in Informatics
Competition · no date forecast yet · 2027
FGCFIRST Global Challenge 2027
World final (robotics olympics) · no date forecast yet · 2027
IESOInternational Earth Science Olympiad
Competition · no date forecast yet · 2027
IJSOInternational Junior Science Olympiad
Competition · no date forecast yet · 2027
IOAAInternational Olympiad on Astronomy and Astrophysics
Competition · no date forecast yet · 2027
OIABIbero-American Biology Olympiad
Competition · no date forecast yet · 2027
OIAQIbero-American Chemistry Olympiad
Competition · no date forecast yet · 2027
OIIIbero-American Olympiad in Informatics
Competition · no date forecast yet · 2027
awaiting datesNo forecast
OIMIbero-American Mathematical Olympiad
Competition · no date forecast yet · 2027
OIbFIbero-American Physics Olympiad
Competition · no date forecast yet · 2027
awaiting datesNo forecast
OLAALatin American Astronomy and Astronautics Olympiad
Competition · no date forecast yet · 2027
OMCPLPMathematical Olympiad of the Community of Portuguese-Speaking Countries
Competition · no date forecast yet · 2027
OutreachyOutreachy
Applications for paid internships (May cohort) · no date forecast yet · 2027
RMMRomanian Master of Mathematics
Competition · no date forecast yet · 2027
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.