An annual College Athletics Carnival is held at Sydney Olympic Park Athletic Centre, Homebush Bay. From this Carnival a representative team is selected to compete at the Broken Bay Secondary Schools Sports Association Carnival.

The Mount St Benedict Intermediate Athletics team are the current Diocese of Broken Bay Champion School.

MSB has also had various age teams qualify for the Australian Knock Out Championships, travelling to Brisbane, Hobart, Townsville, Adelaide and Melbourne to compete over the past five consecutive years.

Further information:

Students are able to self-nominate online for the NSW All Schools Championships each year via the NSW Athletics website.