Celestino Vietti was quickest during Moto2 World Championship Free Practice One (FP1) Friday morning at Pertamina Mandalika Circuit, in Indonesia. Riding his Pirelli-shod Beta Tools SpeedRS Team Boscoscuro on the 2.67-mile (4.30 km) track, the Italian recorded a 1:33.245 to lead the field of 28 riders.

Manuel Gonzalez was the best of the rest with a 1:33.396 on his LIQUI MOLY Dynavolt Intact GP Kalex.

Daniel Holgado was third-fastest with a 1:33.449 on his CFMOTO Power Electronics Aspar Team Kalex.

American Joe Roberts finished the opening session in 6th with a 1:33.712 on his OnlyFans American Racing Team Kalex.