Porsche Penske Motorsport remained unbeaten in the 2025 IMSA WeatherTech SportsCar championship season but with a twist at Laguna Seca Raceway. The No. 6 Porsche 963 earned its first Grand Touring Prototype victory this year as Mathieu Jaminet and Matt Campbell beat teammates Felipe Nasr and Nick Tandy in the No.

With Porsche back on top, AO Racing’s California magic intact, and Mercedes-AMG doubling down in GTD, Laguna Seca once again delivered a masterclass in green-flag strategy and edge-of-your-seat finishes.

It’s a new twist on a classic tale in the 2025 IMSA WeatherTech SportsCar Championship: Porsche Penske Motorsport took a 1-2 finish at WeatherTech Raceway Laguna Seca, but this time, the No.