Auto Sports IRL 2003 Chicago 300 September 7: at Chicagoland Speedway, Joliet, IL (usa): 1. Sam Hornish Jr. (usa) [Dallara-Chevrolet] 2. Scott Dixon (nzl) [G Force-Toyota] 3. Bryan Herta (usa) [Dallara-Honda] 4. Dan Wheldon (gbr) [Dallara-Honda] 5. Tomas Scheckter (saf) [G Force-Toyota] 6. Tony Kanaan (bra) [Dallara-Honda] 7. Alex Barron (usa) [Dallara-Chevrolet] 8. Roger Yasukawa (usa) [Dallara-Honda] 9. Tora Takagi (jpn) [G Force-Toyota] 10. Robbie Buhl (usa) [Dallara-Chevrolet]