[1] On the football team, Chalmers was a wingback and played a pivotal passing role in head coach Curley Byrd's high-powered double-wing offense, with his primary receiver being Boze Berger.

[4] During the 1929 season, he was one of the "heroes of Maryland's dramatic finish" in its upset 13–13 tie against Yale, alongside Moon Evans and Bosey Berger.

[5] In 1931, Chalmers and Berger helped lead the Old Liners to an 8–1–1 record, and one of the best seasons of Coach Byrd's 24-year tenure.

The paper noted, "Complete dominance of State football by the University of Maryland during 1931 is reflected in the naming of The Sun's All-Maryland team.

Chalmers was a member of the Sigma Nu fraternity, the Omicron Delta Kappa honor society,[1] the Student Congress,[10] and the "M" Club athletic alumni organization.