World record: 0:54.258 by Tony Snyder in a Chevrolet Corvette C7 GT3-R (IMSA).
0:54.258 — Tony Snyder (Chevrolet Corvette C7 GT3-R (IMSA))
0:57.476 — Tony Snyder (Chevrolet Corvair Stinger)
1:04.166 — Tony Snyder (Alfa Romeo 8c Spider)
1:08.538 — Tony Snyder (Chevrolet Corvair 69)