IBOC 2026

IBOC 2027 — International Biology Olympiad Challenge
ORGANIZED BY Science Association of Indonesia (SAID)
INTERNATIONAL ONLINE INDIVIDUAL COMPETITION

IBOC 2027

Challenge Your Mind, Discover Life.

Register Now Download Guidebook

Registration open 10 Nov 2026 – 20 Jan 2027

2Online rounds
40Multiple-choice questions
60′Minutes per round
ENEnglish language
About IBOC 2027

An international biology olympiad for young scientists

The International Biology Olympiad Challenge (IBOC) is an international online biology competition for lower and upper secondary students. Organized by the Science Association of Indonesia (SAID), IBOC is planned as an annual program that brings young learners from many countries together to test their understanding of the life sciences and of global biological challenges.

VISION

To become an international biology competition that gives students from many countries the opportunity to develop knowledge, scientific thinking, and an understanding of global biological challenges.

MISSION

  1. Foster young people's interest in biology
  2. Develop scientific reasoning and analytical thinking
  3. Introduce developments in modern biology
  4. Encourage academic competition across nations
  5. Nurture future young scientists in the life sciences
Participants

Two divisions, one global stage

Junior Division

Lower Secondary (SMP)

Ages 12–15

Senior Division

Upper Secondary (SMA)

Ages 15–19

Individual entry

Every participant competes individually and is ranked within their own division. Open to students from all countries.

Syllabus

Ten fields of biology

Cell BiologyCell structure, organelles, cell division
Molecular BiologyDNA, RNA, protein synthesis
GeneticsMendelian genetics, inheritance
Human BiologyHuman anatomy and physiology
Plant BiologyPlant anatomy and physiology
Animal BiologyZoology and animal diversity
EcologyEcosystems, biodiversity, conservation
EvolutionNatural selection, adaptation
MicrobiologyBacteria, viruses, fungi
BiotechnologyGenetic engineering, bioinformatics

Some questions are framed around real-world issues, so participants apply biology to the problems our planet faces today.

Climate Change
Infectious Diseases
Antibiotic Resistance
Biodiversity Conservation
Competition format

Two online rounds

1

Preliminary Round

  • 40 multiple-choice questions
  • 60 minutes, in English
  • Online · 23 January 2027
2

Final Round

  • 40 multiple-choice questions
  • 60 minutes, in English
  • Online · 30 January 2027
Basic 30% Intermediate 40% Advanced 30%

Question types include graph analysis, interpretation of research results, and biology case studies.

Key dates

Timeline

  1. 10 Nov 2026 – 20 Jan 2027Registration
  2. 23 Jan 2027Preliminary Round
  3. 30 Jan 2027Final Round
  4. 1–5 Feb 2027Evaluation
  5. 7 Feb 2027Award Announcement

Dates may be adjusted. Any changes will be announced on the official SAID website and channels.

Registration

How to register

  1. 1Open the form

    Click Register Now to open the IBOC 2027 registration form.

  2. 2Fill in the form

    Complete your details and choose your division (Junior or Senior).

  3. 3Complete payment

    Follow the payment instructions on the registration form.

  4. 4Get confirmation

    Receive your participant account and exam information by email.

  5. 5Read the guidebook

    Get the exam rules and the tie-break system before the exam.

Deadline · 20 January 2027

Ready to challenge your mind?

Join students from around the world at IBOC 2027.

Register Now Download Guidebook

Questions? Email said.info.contact@gmail.com · All notifications are sent via email.

Science Association of Indonesia (SAID)

IBOC 2027 is organized by the Science Association of Indonesia (SAID) · said-official.org