[2] Prior to his single-seater career, Randle enjoyed a successful period in karting in his native Australia.

[3][4] Randle made his single-seater debut in 2013, racing in the Australian Formula Ford Championship for the Evans Motorsport Group.

[7] For 2016, Randle moved to Europe to compete in the BRDC British Formula 3 Championship, racing for Douglas Motorsport.

[11] In 2017 Randle switched to the Eurocup Formula Renault 2.0, partaking with AVF by Adrián Vallés.

[14] In 2021 Randle left the Super2 Series and moved to the Australian S5000 Championship to race with Team BRM in a Onroak Ligier JS F3-S5000.

[17] He has a business called Dream Simulation which helps drivers to hone their skills in all types of racing categories.