Jeffrey Herlings set the pace in free practice over Romain Febvre with the returning Kay de Wolf fast in third.
Calvin Vlaanderen put in a good lap for fourth with Tim Gajser rounding out the top five.
All eyes are on Lucas Coenen this weekend – he was thirteenth fastest.
In MX2, Camden McLellan set the pace on his Triumph over Liam Everts with Guillem Farres third.
MXGP Free Practice:
MX2 Free Practice:
