Christian Brothers College (now known as St Mary's College) was one of eighteen schools to participate in the first Combined Secondary Schools Athletics Championship conducted by the Victorian Amateur Athletic Association (VAAA) on 7 November 1902 at the Melbourne Cricket Ground.

[1] The Adamson Cup, donated by the headmaster of Wesley College and president of the VAAA, was presented to the winning school.

Member colleges took part in an annual athletics meeting, football, handball and tennis competitions.

[5] The first swimming carnival for the Associated Catholic Secondary Schools of Victoria was held on 2 March 1932 at the Kew City Baths, with Christian Brothers Colleges of East Melbourne, North Melbourne and St Kilda and De La Salle competing.

The cup was donated by the Ryan Family in memory of James Delahunt, a Year 7 student at De La Salle College who was killed in an accident in 1981.

Students are given the opportunity to participate in a number of carnivals thought the year including Athletics at Lakeside Stadium, Cross Country, and Swimming at Melbourne Sports and Aquatic Centre.