The season will begin on April 15 at Sonoma and end on October 9 at Indianapolis.
[1] On October 10, 2021, the SRO announced that the round at Virginia International Raceway would be postponed one week to avoid a clash with the 2022 24 Hours of Le Mans.
[2] In December, the SRO announced an additional round to be run alongside the Grand Prix of St. Petersburg in February.
[3] Bold indicates overall winner Championship points are awarded for the first ten positions in each race.
Entries are required to complete 75% of the winning car's race distance in order to be classified and earn points.