Mercedes’ George Russell was fourth quickest, from Ferrari’s Lewis Hamilton, Racing Bulls’ Isack Hadjar and McLaren’s Lando Norris on a monitor that was clearly slippery and soiled.
Championship leaders McLaren appeared to battle. Norris had plenty of moments across the demanding Circuit Gilles Villeneuve and completed up twelfth.
The Briton’s team-mate Oscar Piastri, the championship chief, was 14th as McLaren examined a brand new entrance wing and entrance suspension.
The wing is a take a look at merchandise that isn’t anticipated for use after Friday, however the suspension is aimed toward curing the ‘numb’ feeling within the automobile’s entrance axle that has notably affected Norris this season.
However Norris went off monitor on the exit of Flip One and got here near shedding management on the hairpin plenty of instances.
Racing Bulls’ Liam Lawson, Alpine’s Pierre Gasly and Leclerc accomplished the highest 10. Gasly’s team-mate Franco Colapinto had an early spin at Flip Two with out hurt and ended up nineteenth.
Crimson Bull’s Yuki Tsunoda was eleventh, 0.734secs behind team-mate Verstappen, and Aston Martin’s Fernando Alonso twelfth.