Biology Competitions

Society of Biology


The official website of the British Biology Olympiad, Intermediate Biology Olympiad and Biology Challenge.

The competitions have now finished for 2017. This year, a record number of students took part in each of the three competitions:

British Biology Olympiad – over 7500 students

Intermediate Biology Olympiad – over 5600 students

Biology Challenge – 40,000 students

This year’s team have also been selected to represent the UK at the International Biology Olympiad (IBO), which will take place between 23rd to 30th July at the University of Warwick. This will be the first time the IBO has been hosted by the UK with 67 other countries attending.

The Intermediate Biology Olympiad 2017 grade boundaries are as follows:

Registrations for the 2018 competitions will open in the Autumn.