McLaren's Lando Norris wins a gripping Sao Paulo Grand Prix in difficult conditions, as Mercedes secure the 2026 constructors' championship. BBC Radio 5 Live F1 commentator Harry Benjamin rates how the drivers performed during the Sao Paulo Grand Prix. Mercedes secured their ninth Formula One constructors' world championship and completed a title double on Sunday (Nov 8) in a wet Sao Paulo Grand Prix won by McLaren's Lando Norris from pole.