Oscar Piastri extended his Formula One drivers’ championship lead after battling past McLaren teammate Lando Norris to win the rain-soaked Belgian Grand Prix on Sunday.

While a cautious approach was the safer option at Spa, another element loomed in the air: the future of wet-weather racing

Of all the thousands of pieces of equipment that Formula 1 hauls around the world, few are used less often than the full wet tire. They stayed piled up in stacks, not on the cars, on Sunday as drivers sat out a rain delay of more than an hour to the start of the Belgian Grand Prix.