Home » Sports » Formula 1 » McLaren

Oscar Piastri spotted ‘all over the place’ Red Bull issue following Isack Hadjar in United States GP

McLaren star Oscar Piastri felt he lost “a fair bit” of time in the 2026 F1 United States Grand Prix behind Isack Hadjar as his…

By Kyle Archer · F1 Oversteer

Published: Tuesday, 27 October 2026 at 7:30 AM

Key Things to Know

Oscar Piastri noticed Isack Hadjar suffered from irregular battery deployment during the United States Grand Prix.
Isack Hadjar confirmed an error left him locked in pit stop mapping, costing up to a second per lap.
Hadjar recovered to finish in sixth place, finishing 18.301 seconds ahead of seventh-placed Piastri.

The Story in 60 Seconds

McLaren driver Oscar Piastri reported that Isack Hadjar's Red Bull appeared to suffer from inconsistent battery deployment during the 2026 United States Grand Prix. Piastri briefly battled Hadjar after the Red Bull racer exited the pit lane on Lap 25, though Piastri ultimately finished the race in seventh position at the Circuit of the Americas.

Hadjar confirmed after the race that an error left him stuck in pit stop engine mapping, costing him up to a second per lap in driveability. Despite the deployment issue, Hadjar recovered to secure sixth place, finishing 18.301 seconds ahead of Piastri, who successfully held off Mercedes driver George Russell.

Read the full article on F1 Oversteer