| 1 | Grand Prix of Sebring-1 | 3/23/23 | Sebring International Raceway | 13 | 12 |
| 2 | Grand Prix of Sebring-2 | 3/24/23 | Sebring International Raceway | 13 | 12 |
| 3 | Grand Prix of Sebring-3 | 3/24/23 | Sebring International Raceway | 13 | 12 |
| 4 | Cooper Tires Grand Prix of Alabama-1 | 4/28/23 | Barber Motorsports Park | 15 | 13 |
| 5 | Cooper Tires Grand Prix of Alabama-2 | 4/28/23 | Barber Motorsports Park | 15 | 15 |
| 6 | Cooper Tires VIR Grand Prix-1 | 6/3/23 | Virginia International Raceway | 14 | 12 |
| 7 | Cooper Tires VIR Grand Prix-2 | 6/4/23 | Virginia International Raceway | 14 | 8 |
| 8 | Cooper Tires VIR Grand Prix-3 | 6/4/23 | Virginia International Raceway | 14 | 13 |
| 9 | Cooper Tires Grand Prix of Mid-Ohio-1 | 7/7/23 | Mid-Ohio Sports Car Course | 14 | 10 |
| 10 | Cooper Tires Grand Prix of Mid-Ohio-2 | 7/8/23 | Mid-Ohio Sports Car Course | 14 | 10 |
| 11 | Cooper Tires Grand Prix of Road America-1 | 8/12/23 | Road America | 15 | 10 |
| 12 | Cooper Tires Grand Prix of Road America-2 | 8/13/23 | Road America | 15 | 11 |
| 13 | Cooper Tires Grand Prix of Road America-3 | 8/13/23 | Road America | 15 | 16R |
| 14 | Cooper Tires Circuit of the Amricas GP-1 | 8/26/23 | Circuit of The Americas | 17 | 12 |
| 15 | Cooper Tires Circuit of the Amricas GP-2 | 8/27/23 | Circuit of The Americas | 18 | 12 |
| 16 | Cooper Tires Circuit of the Amricas GP-3 | 8/27/23 | Circuit of The Americas | 18 | 18R |