The No. 31 Cadillac Whelen V-Series.R, driven by Jack Aitken, Earl Bamber, and Frederik Vesti, secured a commanding victory at the 28th Motul Petit Le Mans at Michelin Raceway Road Atlanta.
Porsche Penske Motorsport's No. 6 963, driven by Mathieu Jaminet and Matt Campbell, accompanied by relief driver Laurens Vanthoor, finished third to clinch the 2025 GTP drivers' championship.
Porsche Penske Motorsport drivers successfully secured the 2025 GTP titles.
Author's summary: Whelen Cadillac wins Petit Le Mans, Porsche crowned IMSA GTP champions.