Jorge Martin topped MotoGP World Championship Free Practice One (FP1) Friday morning at Chang International Circuit, in Buriram, Thailand. Riding his Prima Pramac Racing Ducati Desmosedici, the Spaniard led the 21-rider field with a lap time of 1:30.520 around the 2.83-mile (4.55 km) course.
Maverick Vinales was second best with a 1:30.758 as he is still in search of his first victory on his factory Aprilia.
Pol Espargaro made it three different manufacturers in the top three with a 1:31.012 on his GASGAS Factory Racing Tech3 machine.
