[3] Murphy first made state selection for New South Wales in the 2017 lightweight men's four to contest the Penrith Cup at the Interstate Regatta.

[6] Murphy made his Australian representative debut in a coxless four at the World Junior Rowing Championships in Hamburg in 2014.

In the finals at the World Rowing Cup II in Poznan and at the WRC III in Rotterdam, Murphy took leads at the 500m mark, was never headed and won two international gold medals.

[10] At the Rowing World Cup II in Varese, Italy Murphy raced as Australia's MLW2X entrant with Oscar McGuinness.

[7] Murphy and McGuinness were selected to race Australia's double scull at 2023 World Rowing Championships in Belgrade, Serbia.