Isaac Vinales has topped the timesheets in the opening Moto3 practice at the Jerez circuit in Spain. The local rider finished the session with a time of 1:47.388 which put him three tenths clear of fellow Spaniard Alex Marquez. Vinales' Calvo KTM teammate Jakub Kornfeil rounded out the top three placing's for the morning session. Alex Rins and last round's victor Romano Fenati took fourth and fifth places respectively as Efren Vazquez, Niklas Ajo, Brad Binder, Philipp Oettl and Danny Kent completed the top 10.
Championship leader Jack Miller had to settle for a disappointing twelfth place and will look to quickly rediscover his Jerez testing pace in the day's remaining session.
