Complete unofficial results from Sunday's Honda Grand Prix of St Petersburg.

Race originally scheduled for 100 laps. Shortened to a two hours due to adverse weather.

1. Graham Rahal* USA Newman/Haas/Lanigan Racing 83 laps
2. Helio Castroneves BRA Marlboro Team Penske 83 laps
3. Tony Kanaan BRA Andretti Green Racing 83 laps
4. Ernesto Viso* VEN HVM Racing 83 laps
5. Enrique Bernoldi* BRA Conquest Racing 83 laps
6. Hideki Mutoh* JPN Andretti Green Racing 83 laps
7. Oriol Servia ESP KV Racing Technology 83 laps
8. Will Power* AUS KVRT/Team Australia 83 laps
9. Justin Wilson* GB Newman/Haas/Lanigan Racing 83 laps
10. Danica Patrick USA Andretti Green Racing 83 laps
11. AJ Foyt IV USA Vision Racing 83 laps
12. Dan Wheldon GB Target Chip Ganassi Racing 83 laps
13. Darren Manning GB AJ Foyt Enterprises 83 laps
14. Jay Howard* GB Roth Racing 82 laps
15. Buddy Rice USA Dreyer & Reinbold Racing 82 laps
16. Mario Moraes* BRA Dale Coyne Racing 82 laps
17. Ryan Hunter-Reay USA Rahal Letterman Racing 81 laps
18. Ed Carpenter USA Vision Racing 80 laps-Accident
19. Vitor Meira BRA Panther Racing 75 laps-Accident
20. Franck Perera* FRA Conquest Racing 75 laps-Accident
21. Townsend Bell USA Dreyer & Reinbold Racing 75 laps-Accident
22. Scott Dixon NZ Target Chip Ganassi Racing 74 laps-Suspension
23. Ryan Briscoe AUS Marlboro Team Penske 56 laps-Accident
24. Bruno Junqueira BRA Dale Coyne Racing 44 laps-Mechanical
25. Marco Andretti USA Andretti Green Racing 41 laps-Mechanical
26. Marty Roth CAN Roth Racing Did Not Start

All drivers using a Dallara-Honda chassis/engine combination * - Denotes Rookie of the Year contender