F1MATHS: Key numbers and facts after the opening day at Zandvoort
McLaren’s Lando Norris set the benchmark in both Friday’s practice sessions, but Aston Martin’s Fernando Alonso kept the Briton honest with an unexpectedly strong performance on the opening day at the Dutch Grand Prix. F1Technical’s senior writer Balazs Szabo delivers drivers’ reactions from the Zandvoort circuit.
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