What happened: Isack Hadjar radioed that he can complete the São Paulo Grand Prix without another pit stop on his current tyres. The call prompted McLaren to hold race leader Lando Norris out on track rather than pit immediately to Norris maintained track position as the team monitored pace and tire degradation.
Why it matters: Hadjar's decision to extend his stint threatens to test McLaren's tire wear in the closing phase at Interlagos. Pitting to The tactical standoff will determine whether Norris can convert track position into a Grand Prix victory.
What to watch: Watch interval times between Norris and Hadjar over the coming laps to see if McLaren brings Norris in for a final tyre switch.