On April 21, 2022, IMSA released the latest technical bulletin outlining Balance of Performance for the event. In DPi, the Acura ARX-05 received a 10 kilogram weight break while the Cadillac DPi-V.R received a 10 kilogram weight increase. In GTD Pro and GTD, the Chevrolet Corvette C8.R GTD received a 20 kilogram weight increase. The BMW M4 GT3 received a 6 horsepower increase.[2]
A total of 32 cars took part in the event, split across four classes. 6 were entered in DPi, 6 in LMP2, 6 in GTD Pro, and 14 in GTD.[3] In LMP2, Patrick Kelly joined Josh Pierson in the PR1/Mathiasen Motorsports #52 entry.[4] In GTD, Gradient Racing and Crucial Motorsports skipped after competing at Long Beach. NTE Sport returned after being forced to withdraw at the previous race. Marco Holzer joined NTE Sport making his first start in the IMSA SportsCar Championship since 2015.[5]Dirk Müller subbed for Mike Skeen, who tested positive for COVID-19, in the Team Korthoff Motorsports #32.[6]
Qualifying
Qualifying results
Pole positions in each class are indicated in bold and by ‡.