Romain Febvre set the pace in MXGP over Glenn Coldenhoff and the impressive Kevin Horgmo.
Ruben Fernandez was fourth with Calvin Vlaanderen rounding out the top five.
Lucas Coenen was sixth with Jeffrey Herlings in sixth but the times are close.
In MX2, Sacha Coenen set the pace over Honda HRC rider, Valerio Lata.
Kay de Wolf was third fastest on his Nestaan Husqvarna over his team mate, Liam Everts.
Simon Laengenfelder rounded out the top five but the times are super close.
MXGP Free Practice:
MX2 Free Practice:
