Round 15 of the 2026 AMA Supercross season heads to Lincoln Financial Field in Philadelphia on April 25th. Cooper Webb enters as the defending champion in the 450 Class, having secured his third career title in 2025. Key storylines for the 2026 season include an incredibly tight championship battle, with Hunter Lawrence and Ken Roczen separated by just one point heading into this round, while Eli Tomac’s move to KTM and Chase Sexton’s transition to Kawasaki also add intrigue. The event schedule features FanFest and doors opening at 12:00 PM local time, with the main race action kicking off at 6:30 PM local time.