From 1980 to 2021,
Alfredo Costanzo held the outright race lap record by setting a time of 0:50.16 seconds with
Lola T430 Formula 5000. The closest anyone had come since 1980 was British driver
James Winslow who set a time of 0:50.5036 seconds on 1 April 2012 while driving a
Dallara F307. Then, that outright lap record was broken in 2021 by driver
Joey Mawson. Driving a
Ligier JS F3-S5000, the Australian driver set a time of 0:49.7242 seconds. In 2022, the record was improved again by himself, by setting a time of 0:48.5598 seconds. The 'Tassie Tin Tops' category included below is a combined closed car category not built to any specific set of regulations, it usually runs at major national meetings bringing together a collection of vehicles that usually compete in specific categories at Tasmanian State Championship race meetings, it usually includes Sports Sedans, Improved Production and Sports GT category vehicles. As of May 2025, the fastest official race lap records at Symmons Plains Raceway are listed as: ==Notes==