Celestino Vietti was quickest during Moto2 World Championship Free Practice One (FP1) Friday morning at Circuit Of The Americas, in Texas. Riding his Pirelli-shod HDR SpeedRS Team Boscoscuro on the 3.43-mile (5.51 km) track, the Italian recorded a 2:06.724 to lead the field of 28 riders.

David Alonso was the best of the rest with a 2:06.779 on his CFMOTO Power Electronics Aspar Team Kalex.

Tony Arbolino was third-fastest with a 2:06.863 on his REDS Fantic Racing Kalex.

American Joe Roberts finished the opening session in 17th with a 2:08.090 on his OnlyFans American Racing Team Kalex.