| # | Track | Winner |
|---|
| 1 | Streets of St. Petersburg | James Hinchcliffe |
| 2 | Barber Motorsports Park | Ryan Hunter-Reay |
| 3 | Streets of Long Beach | Takuma Sato |
| 4 | Streets of Sao Paulo | James Hinchcliffe |
| 5 | Indianapolis Motor Speedway | Tony Kanaan |
| 6 | Detroit Belle Isle street circuit | Mike Conway |
| 7 | Detroit Belle Isle street circuit | Simon Pagenaud |
| 8 | Texas Motor Speedway | Helio Castroneves |
| 9 | Milwaukee Mile | Ryan Hunter-Reay |
| 10 | Iowa Speedway | James Hinchcliffe |
| 11 | Pocono Raceway | Scott Dixon |
| 12 | Exhibition Place | Scott Dixon |
| 13 | Exhibition Place | Scott Dixon |
| 14 | Mid-Ohio Sports Car Course | Charlie Kimball |
| 15 | Sonoma Raceway | Will Power |
| 16 | Streets of Baltimore | Simon Pagenaud |
| 17 | Reliant Park | Scott Dixon |
| 18 | Reliant Park | Will Power |
| 19 | Auto Club Speedway | Will Power |
Lead Lap — NASCAR, IndyCar & Formula 1 statistics. Not affiliated with any sanctioning body.