FIM Superbike World Championship Assen, Netherlands April 20, 2012 Free Practice One (all on Pirelli tires): 1. Marco MELANDRI, Italy (BMW S1000RR), 1:37.582 2. Carlos CHECA, Spain (Ducati 1098R), 1:37.711 3. Tom SYKES, UK (Kawasaki ZX-10R), 1:37.781 4. Michel FABRIZIO, Italy (BMW S1000RR), 1:37.891 5. Jonathan REA, UK (Honda CBR1000RR), 1:38.168 6. Leon HASLAM, UK (BMW S1000RR), 1:38.188 7. Ayrton BADOVINI, Italy (BMW S1000RR), 1:38.192 8. Eugene LAVERTY, Ireland (Aprilia RSV4 Factory) 9. Niccolo CANEPA, Italy (Ducati 1098R), 1:38.302 0.720 0.004 13 166,336 268,9 10. Maxime BERGER, France (Ducati 1098R), 1:38.482 11. Davide GIUGLIANO, Italy (Ducati 1098R), 1:38.503 12. Leon CAMIER, UK (Suzuki GSX-R1000), 1:38.543 13. John HOPKINS, USA (Suzuki GSX-R1000), 1:38.633 14. Jakub SMRZ, Czech Republic (Ducati 1098R), 1:38.647 15. Sylvain GUINTOLI, France (Ducati 1098R), 1:38.686 16. Lorenzo ZANETTI, Italy (Ducati 1098R), 1:38.781 17. Max BIAGGI, Italy (Aprilia RSV4 Factory), 1:38.928 18. Hiroshi AOYAMA, Japan (Honda CBR1000RR), 1:39.299 19. David SALOM, Spain (Kawasaki ZX-10R), 1:39.388 20. Mark AITCHISON, Australia (BMW S1000RR), 1:39.966 21. Chaz DAVIES, UK (Aprilia RSV4 Factory), 1:40.053 22. Leandro MERCADO, Argentina (Kawasaki ZX-10R), 1:40.291 23. Brett McCORMICK, Canada (Ducati 1098R), 1:40.643