| # | Track | Winner |
|---|
| 1 | Streets of St. Petersburg | Juan Pablo Montoya |
| 2 | Phoenix International Raceway | Scott Dixon |
| 3 | Streets of Long Beach | Simon Pagenaud |
| 4 | Barber Motorsports Park | Simon Pagenaud |
| 5 | Indianapolis Motor Speedway Road Course | Simon Pagenaud |
| 6 | Indianapolis Motor Speedway | Alexander Rossi |
| 7 | The Raceway at Belle Isle Park | Sebastien Bourdais |
| 8 | The Raceway at Belle Isle Park | Will Power |
| 9 | Road America | Will Power |
| 10 | Iowa Speedway | Josef Newgarden |
| 11 | Exhibition Place | Will Power |
| 12 | Mid-Ohio Sports Car Course | Simon Pagenaud |
| 13 | Pocono Raceway | Will Power |
| 14 | Texas Motor Speedway | Graham Rahal |
| 15 | Watkins Glen International | Scott Dixon |
| 16 | Sonoma Raceway | Simon Pagenaud |
Lead Lap — NASCAR, IndyCar & Formula 1 statistics. Not affiliated with any sanctioning body.