Toprak Razgatlioglu topped World Superbike Free Practice One Friday morning at Donington Park, in England. Riding his ROKiT BMW Motorrad M 1000 RR on Pirelli control tires, the Turkish star lapped the 2.5-mile (4.0 km) course in 1:26.419 to lead the field of 23 riders.
Italian Danilo Petrucci was second-best with a 1:26.835 on his Barni Spark Racing Team Ducati.
American Garrett Gerloff was third-fastest with a 1:27.052 on his Bonovo Action BMW.