Spanish driver Álex Palou secured his fourth IndyCar Series championship in 2025 by finishing third at the Portland Grand Prix, which was won by Australian Will Power. Palou, who races for Chip Ganassi Racing, claimed the title with two races remaining in the season. This marks his third consecutive championship and fourth in five years, establishing him as one of the sport's top competitors. The Mexican driver Pato O’Ward finished last in the same race. Palou expressed determination to continue his winning streak, stating he does not expect to lose his hunger for success. His 2025 season performance has been described as extraordinary, further extending his dominance in IndyCar racing.