Fergus rowed in the Varsity VIII from 2019 to 2023 enjoying many wins including the Head of the Charles, Eastern Sprints and Yale Harvard regatta.
Being in the varsity program at Yale, Hamilton found himself selected to Australian underage squads before having rowed for his state of Victoria.
His Australian representative debut came in 2017 when selected in a double-scull to contest the Junior World Rowing Championships in Trakai, Lithuania.
At the Rowing World Cup III in Lucerne Switzerland, Hamilton raced as Australia's men's pair entrant with Simon Keenan.
[2] Hamilton and Keenan were selected to race Australia's coxless pair at 2023 World Rowing Championships in Belgrade, Serbia.