Iowa: Dixon tops practice 1
Scott Dixon led a Ganassi one-two in morning practice for the Iowa Speedway round of the IndyCar Series.
| Pos | Driver | Team | Time | Gap |
| 1. | Scott Dixon | Ganassi | 17.7135s | +0.0000s |
| 2. | Dario Franchitti | Ganassi | 17.7498s | +0.0363s |
| 3. | Marco Andretti | Andretti Green | 17.7920s | +0.0785s |
| 4. | Tony Kanaan | Andretti Green | 17.8025s | +0.0890s |
| 5. | Ryan Briscoe | Penske | 17.8192s | +0.1057s |
| 6. | Dan Wheldon | Panther | 17.8223s | +0.1088s |
| 7. | Helio Castroneves | Penske | 17.8243s | +0.1108s |
| 8. | Danica Patrick | Andretti Green | 17.8385s | +0.1250s |
| 9. | Tomas Scheckter | Dreyer & Reinbold | 17.8499s | +0.1364s |
| 10. | Graham Rahal | Newman/Haas/Lanigan | 17.8530s | +0.1395s |
| 11. | Mike Conway | Dreyer & Reinbold | 17.8701s | +0.1566s |
| 12. | Mario Moraes | KV | 17.8814s | +0.1679s |
| 13. | Ed Carpenter | Vision | 17.9178s | +0.2043s |
| 14. | Robert Doornbos | Newman/Haas/Lanigan | 17.9323s | +0.2188s |
| 15. | EJ Viso | HVM | 17.9335s | +0.2200s |
| 16. | Ryan Hunter-Reay | Foyt | 17.9415s | +0.2280s |
| 17. | Hideki Mutoh | Andretti Green | 17.9709s | +0.2574s |
| 18. | Raphael Matos | Luczo Dragon | 18.1397s | +0.4262s |
| 19. | Justin Wilson | Coyne | 18.6046s | +0.8911s |
| 20. | Jaques Lazier | 3G | 18.7945s | +1.0810s |