FIM Superbike World Championship Assen, Netherlands April 24, 2009 Free Practice One Results (all on Pirelli tires): 1. Ben Spies (Yam YZF-R1), 1:39.687 2. Max Neukirchner (Suz GSX-R1000), 1:40.050 3. Carlos Checa (Hon CBR1000RR), 1:40.143 4. Leon Haslam (Hon CBR1000RR), 1:40.147 5. Regis Laconi (Duc 1098R), 1:40.369 6. Noriyuki Haga (Duc 1098F09), 1:40.417 7. Ryuichi Kiyonari (Hon CBR1000RR), 1:40.571 8. Karl Muggeridge (Suz GSX-R1000), 1:40.693 9. Tom Sykes (Yam YZF-R1), 1:40.696, crash 10. Michel Fabrizio (Duc 1098 F09), 1:40.835 11. Joanthan Rea (Hon CBR1000RR), 1:40.872 12. Shane Byrne (Duc 1098R), 1:40.914 13. Yukio Kagayama (Suz GSX-R1000), 1:41.017 14. Shinya Nakano (Apr RSV4), 1:41.108 15. Troy Corser (BMW S1000 RR), 1:41.111 16. Jakub Smrz (Duc 1098R), 1:41.170 17. Max Biaggi (Apr RSV4), 1:41.202 18. Tommy Hill (Hon CBR1000RR), 1:41.289 19. Ruben Xaus (BMW S1000 RR), 1:41.621 20. Brendan Roberts (Duc 1098R), 1:41.859 21. David Salom (Kaw ZX-10R), 1:42.134 22. Luca Scassa (Kaw ZX-10R), 1:42.223, crash 23. David Checa (Yam YZF-R1), 1:42.388 24. Makoto Tamada (Kaw ZX-10R), 1:42.442 25. Vittorio Iannuzzo (Hon CBR1000RR), 1:42.980 26. Stuart Easton (Kaw ZX-10R), 1:43.008 27. Matteo Baiocco (Kaw ZX-10R), 1:43.330 28. John Hopkins (Hon CBR1000RR), 1:44.396, crash 29. Roland Resch (Suz GSX-R1000), 1:45.276