Cadillac Racing secured a thrilling victory in the 2025 Petit Le mans at Road Atlanta on October 12, 2025, while Porsche Penske Motorsport clinched the IMSA WeatherTech SportsCar Championship GTP title in a dramatic finish. The No. 31 Whelen Cadillac V-Series R, piloted by Pipo Derani, Tommy Milner, and Alexander Sims, crossed the finish line after 10 hours of intense competition, overcoming late-race challenges to claim the win.
The result marked cadillac’s second consecutive Petit Le Mans triumph and a important moment in the burgeoning GTP class. Simultaneously, Porsche’s championship success, secured by the No. 6 Porsche 963 driven by Laurens Vanthoor, Matt Campbell, and Felipe Nasr, underscored their dominant performance throughout the 2025 IMSA season. The title chase came down to the wire, with the outcome decided in the final hours of the endurance classic.
The race saw numerous lead changes and strategic battles throughout the field.The No. 31 Cadillac initially fell behind due to a penalty but fought back through strategic pit stops and aggressive driving. Derani, in the closing stages, expertly managed the gap to the pursuing No.7 Porsche 963, holding on for the victory despite relentless pressure from Nick Tandy.
Porsche’s championship victory was not without its own drama. The No.6 porsche team faced mechanical issues and intense competition from the No. 10 Acura ARX-06, but consistent performance and strategic decisions ultimately secured the title. Felipe Nasr’s consistent driving throughout the season proved crucial to porsche’s success.
The 2025 IMSA WeatherTech SportsCar championship season concludes with the Petit Le Mans result solidifying Porsche’s position as the GTP champions and Cadillac celebrating a hard-fought victory at Road Atlanta. The race showcased the competitiveness of the GTP class and set the stage for an exciting 2026 season.