What happened: Sepang International Circuit put race-day attendance at 103,000. The sell-out closed the relocated Bahrain Grand Prix weekend.

Why it matters: The weekend set a Sepang benchmark for the relocated event. The full house followed a disruption-hit build-up that included a heat hazard declaration and a thunderstorm-delayed start.

What to watch: Attention turns to whether Sepang retains a calendar slot after the Malaysia staging.