| # | Track | Winner |
|---|
| 1 | Streets of St. Petersburg | Sebastien Bourdais |
| 2 | Streets of Long Beach | James Hinchcliffe |
| 3 | Barber Motorsports Park | Josef Newgarden |
| 4 | Phoenix International Raceway | Simon Pagenaud |
| 5 | Indianapolis Motor Speedway Road Course | Will Power |
| 6 | Indianapolis Motor Speedway | Takuma Sato |
| 7 | The Raceway at Belle Isle Park | Graham Rahal |
| 8 | The Raceway at Belle Isle Park | Graham Rahal |
| 9 | Texas Motor Speedway | Will Power |
| 10 | Road America | Scott Dixon |
| 11 | Iowa Speedway | Helio Castroneves |
| 12 | Exhibition Place | Josef Newgarden |
| 13 | Mid-Ohio Sports Car Course | Josef Newgarden |
| 14 | Pocono Raceway | Will Power |
| 15 | Gateway Motorsports Park | Josef Newgarden |
| 16 | Watkins Glen International | Alexander Rossi |
| 17 | Sonoma Raceway | Simon Pagenaud |
Lead Lap — NASCAR, IndyCar & Formula 1 statistics. Not affiliated with any sanctioning body.