The Seattle Supercross kicked off at Lumen Field, featuring intense competition and dramatic moments. Eli Tomac claimed victory in the 450 class, reinforcing his dominance with a win after a fierce battle with Cooper Webb. However, the race was marred by injuries, with Jorge Prado withdrawing from the event due to a shoulder injury sustained during qualifying. Despite this setback, Prado initially showcased his speed by recording the fastest lap before his crash. Haiden Deegan continued to impress, extending his qualification streak and performing well in the 250 heats. The event featured both challenging track conditions and thrilling performances, with a focus on the evolving SuperMotocross championship standings.