In 2016, Mack competed at the WSK World Championships driving for Formula One driver Daniel Ricciardo's karting team.
In 2022, Mack signed a driver developmental deal with Bill McAnally Racing, which included an opportunity to make his debut in the ARCA Menards Series at Irwindale Speedway.
In 2023, it was revealed on the entry list for the first Irwindale Speedway event that Mack would make his debut in the ARCA Menards Series West, driving the No.
43 Chevrolet for Tamayo Cosentino Racing at Elko Speedway, where he would finish nineteenth after failing to take the start due to clutch issues.
He is also the older brother of NASCAR driver Jayda Mack [1] (key) (Bold – Pole position awarded by qualifying time.