One-make Saleen S1 racing on the SRO GT World Challenge bill.

The Saleen Cup is a one-make championship for the Saleen S1 — a lightweight, turbocharged American sports car — run on the support bill of the SRO Blancpain GT World Challenge America, one of the premier GT racing series in the United States. The 2019 Las Vegas round was held at Las Vegas Motor Speedway.

Alexander contested the Saleen Cup in a Saleen S1 at the 19–20 October 2019 SRO Blancpain GT World Challenge America weekend in Las Vegas, finishing 7th and 11th across the two races.