Piastri ended up as Leclerc’s closest rival for pole in Monte-Carlo but fell 0.154s short as the home hero secured a third pole in four years at this famous street track.
At the start of their respective best and final laps in Q3, the GPS data shows that Leclerc – in a boost after his Imola frustration on Ferrari’s lap-starting engine power output – got underway 1.9mph better off than Piastri.
