Tio·Vené

2026–2030 calendar

Competition calendar

Tech competitions highlighted (⚡), science olympiads, hackathons and more. Filter by age and click an event for details.

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May 2030

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

This month's competitions

May 2030

8 dates

No competition with a confirmed date this month.

This month, no set day · announcements and estimates

IPOInternational Philosophy Olympiad

Competition · usually held in May · 2030

Venue to be announcedScienceInternational
🧑‍💻 Teens

⏳ Dates and registration not announced yet

ISEFRegeneron International Science and Engineering Fair (ISEF)

Fair (international final) · usually held in May · 2030

Venue to be announcedScienceInternational
🧑‍💻 Teens

⏳ Dates and registration not announced yet

Places are earned at affiliated fairs such as FEBRACE and MOSTRATEC.

OBABrazilian Astronomy and Astronautics Olympiad

Exam (at schools) · usually held in May · 2030

Registered schools (all over Brazil)AstronomyBrazil
🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

OBAFOGBrazilian Rocket Olympiad (formerly MOBFOG)

Rocket launch deadline · usually held in May · 2030

Registered schools (all over Brazil)AstronomyBrazil
🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

OBLBrazilian Linguistics Olympiad

1st-round exam · usually held in May · 2030

Registered schools (all over Brazil)LinguisticsBrazil
🧑‍💻 Teens

⏳ Dates and registration not announced yet

OBNBrazilian Brain Bee (OBN)

National Finals of the Brazilian Brain Bee · usually held in May · 2030

Online (and regional hubs)BiologyBrazil
🧑‍💻 Teens

⏳ Dates and registration not announced yet

Neuroscience and neurobiology competition for high school students, qualifying the national delegate for the International Brain Bee.

ONHBNational Olympiad in Brazilian History

Online phases begin · usually held in May · 2030

OnlineHistoryBrazil
🧑‍💻 Teens

⏳ Dates and registration not announced yet

In-person national final usually in August, at Unicamp.

VANDAVanda International Science Competition

Vanda International Science Competition Official Contest · usually held in May · 2030

Online (and Mathletes partner schools)ScienceInternational
🧒 Kids🧑‍💻 Teens

⏳ Dates and registration not announced yet

International integrated science olympiad (Physics, Chemistry, and Biology) based on Singapore's renowned science curriculum.

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.