Jeffrey Herlings set the pace in MXGP over Romain Febvre but the times were very close.
Lucas Coenen was third fastest with Tim Gajser fourth and Jan Pancar rounding out the top five.
In MX2, Sacha Coenen set the pace over Kay de Wolf with Simon Längenfelder.
Liam Everts was fourth with Guillem Farres rounding out the top five.
MXGP FP:
MX2 FP: