Seattle to Portland STP
July 11, 2026 @ 5:00 am - July 12, 2026 @ 7:00 pm
Produced by the Cascade Bicycle Club, the Kaiser Permanente Seattle to Portland Bicycle Classic presented by Alaska Airlines is a 206-mile ride from Seattle to Portland. STP is a “double century” ride through urban and rural settings. Riders have the option to ride this event in one or two days.