2007 AMA Superbike Championship Infineon Raceway Sonoma, California May 20, 2007 Provisional Practice Results: 1. Mat Mladin (Suz GSX-R1000), Dunlop, 1:35.567 2. Ben Spies (Suz GSX-R1000), Dunlop, 1:35.993 3. Jake Zemke (Hon CBR1000RR), Dunlop, 1:36.070 4. Aaron Yates (Suz GSX-R1000), Dunlop, 1:36.528 5. Tommy Hayden (Suz GSX-R1000), Dunlop, 1:36.804 6. Jason DiSalvo (Yam YZF-R1), Dunlop, 1:36.816 7. Miguel Duhamel (Hon CBR1000RR), Dunlop, 1:36.863 8. Roger Hayden (Kaw ZX-10R), Dunlop, 1:36.868 9. Jake Holden (Suz GSX-R1000), Dunlop, 1:37.027* 10. James Ellison (Hon CBR1000RR), Dunlop, 1:37.220 11. Eric Bostrom (Yam YZF-R1), Dunlop, 1:37.374 12. Geoff May (Suz GSX-R1000), Pirelli, 1:37.695* 13. Jamie Hacking (Kaw ZX-10R), Dunlop, 1:37.948 14. Matt Lynn (MV Agusta), Dunlop, 1:38.351 15. Chris Ulrich (Suz GSX-R1000), Pirelli, 1:39.044* 16. Luca Scassa (MV Agusta), Dunlop, 1:39.050 17. Doug Chandler (Hon CBR1000RR), Dunlop, 1:39.114 18. James Randolph (Suz GSX-R1000), Pirelli, 1:40.426* * Known to be on a Superstock machine