| # | Track | Winner |
|---|
| 1 | Streets of St. Petersburg | Scott McLaughlin |
| 2 | Texas Motor Speedway | Josef Newgarden |
| 3 | Streets of Long Beach | Josef Newgarden |
| 4 | Barber Motorsports Park | Pato O'Ward |
| 5 | Indianapolis Motor Speedway Road Course | Colton Herta |
| 6 | Indianapolis Motor Speedway | Marcus Ericsson |
| 7 | Belle Isle Street Circuit | Will Power |
| 8 | Road America | Josef Newgarden |
| 9 | Mid-Ohio Sports Car Course | Scott McLaughlin |
| 10 | Exhibition Place | Scott Dixon |
| 11 | Iowa Speedway | Josef Newgarden |
| 12 | Iowa Speedway | Pato O'Ward |
| 13 | Indianapolis Motor Speedway Road Course | Alexander Rossi |
| 14 | Nashville Street Circuit | Scott Dixon |
| 15 | World Wide Technology Raceway | Josef Newgarden |
| 16 | Portland International Raceway | Scott McLaughlin |
| 17 | WeatherTech Raceway Laguna Seca | Alex Palou |
Lead Lap — NASCAR, IndyCar & Formula 1 statistics. Not affiliated with any sanctioning body.