The Cascade Bicycle Club, based in Seattle, Washington, is one of the largest and most influential bicycle advocacy organizations in the United States. Established in 1970, the club is dedicated to promoting cycling as a healthy, environmentally friendly, and accessible mode of transportation and recreation. Cascade Bicycle Club actively engages in advocacy efforts to improve cycling infrastructure, safety, and policies in the Pacific Northwest. The club organizes a wide range of events and programs to encourage and support cyclists of all levels. These include organized rides, educational workshops, and community events fostering camaraderie among cycling enthusiasts. Cascade Bicycle Club is renowned for its signature event, the annual Seattle to Portland Bicycle Classic (STP), one of the country's most significant multi-day cycling events, attracting participants from various backgrounds and skill levels. In addition to its advocacy and event initiatives, Cascade Bicycle Club plays a crucial role in promoting a cycling-friendly culture through outreach and education. The organization strives to create a more sustainable and equitable transportation system, making cycling a viable and enjoyable option for people of all ages and abilities.