| # | Track | Winner |
|---|
| 1 | Homestead-Miami Speedway | Sam Hornish Jr. |
| 2 | Phoenix International Raceway | Tony Kanaan |
| 3 | Twin Ring Motegi | Dan Wheldon |
| 4 | Indianapolis Motor Speedway | Buddy Rice |
| 5 | Texas Motor Speedway | Tony Kanaan |
| 6 | Richmond International Raceway | Dan Wheldon |
| 7 | Kansas Speedway | Buddy Rice |
| 8 | Nashville Superspeedway | Tony Kanaan |
| 9 | The Milwaukee Mile | Dario Franchitti |
| 10 | Michigan International Speedway | Buddy Rice |
| 11 | Kentucky Speedway | Adrián Fernández |
| 12 | Pikes Peak International Raceway | Dario Franchitti |
| 13 | Nazareth Speedway | Dan Wheldon |
| 14 | Chicagoland Speedway | Adrián Fernández |
| 15 | California Speedway | Adrián Fernández |
| 16 | Texas Motor Speedway | Helio Castroneves |
Lead Lap — NASCAR, IndyCar & Formula 1 statistics. Not affiliated with any sanctioning body.