| # | Track | Winner |
|---|
| 1 | Homestead-Miami Speedway | Dan Wheldon |
| 2 | Streets of St. Petersburg | Helio Castroneves |
| 3 | Twin Ring Motegi | Tony Kanaan |
| 4 | Kansas Speedway | Dan Wheldon |
| 5 | Indianapolis Motor Speedway | Dario Franchitti |
| 6 | The Milwaukee Mile | Tony Kanaan |
| 7 | Texas Motor Speedway | Sam Hornish Jr. |
| 8 | Iowa Speedway | Dario Franchitti |
| 9 | Richmond International Raceway | Dario Franchitti |
| 10 | Watkins Glen International | Scott Dixon |
| 11 | Nashville Superspeedway | Scott Dixon |
| 12 | Mid-Ohio Sports Car Course | Scott Dixon |
| 13 | Michigan International Speedway | Tony Kanaan |
| 14 | Kentucky Speedway | Tony Kanaan |
| 15 | Infineon Raceway | Scott Dixon |
| 16 | Detroit Belle Isle street circuit | Tony Kanaan |
| 17 | Chicagoland Speedway | Dario Franchitti |
Lead Lap — NASCAR, IndyCar & Formula 1 statistics. Not affiliated with any sanctioning body.