Seattle to Portland Bicycle Classic 2027

Event Description

The Seattle to Portland Bicycle Classic is a Pacific Northwest rite of passage! Join STP in its 48th year and ride from one great bike city to another. Bicycling Magazine calls STP "one of the best cycling events in the nation" because this ride is a treat for all ages, abilities, and anyone up to the challenge. 

Heading south from Seattle and ending in Portland, Oregon, STP is a thrilling back-to-back double-century ride through beautiful Western Washington. Everyone belongs on STP -- bike 207 miles over one or two days, one mile at a time.

This event is a fundraiser for Cascade Bicycle Club's programming in advocacy, education, and community rides, such as our sliding scale biking and maintenance classes and the Pedaling Relief Project.

Registration

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Experience the thrill of STP in 2027 with special early-bird pricing! Our lowest registration pricing will only be available for two weeks, from July 11 to July 31.

Registration opens on July 11 at 3 p.m.

Registration closes on July 31 at 11:59 p.m.

Your registration fee covers your entry, access to rest stops, ride support, baggage truck service, a meal at the finish line, and an STP finisher souvenir.

This is for ride registration only. Parking, bus passes, and bike transport are sold as add-ons, which can be purchased from your account dashboard after registration opens in January 2027. 

Route

The route is 205-208 miles long. Below is the 2026 route.

We encourage you to wait until the day before the event to download these maps to your preferred device for easy access on the day of the event. 

Click through to see the full map on Ride With GPS.

Printed cue sheets are available at the start line tents. The route is marked with navigational markings on the road surface.

Click here for more route information

Rest Stops

Four official rest stops are located at miles 20, 54, 146, and 176. A full selection of snacks, fruit, and PB&Js are available to riders for free.

Additionally, one-day riders will have a lunch stop on Saturday.

Thirteen official mini-stops are located throughout the course. Many are fundraisers for the community groups who run them. Remember to bring cash to support and gain access to some of their snacks!

Many unofficial rest stops pop up along the route and you are welcome to enjoy them. 

Inclusion

Everyone is welcome at Cascade events. We are committed to celebrating and promoting diversity in the bicycling community. We aim to provide safe spaces at start lines, finish lines, and official rest stops. Read our commitment to anti-racism and our participant code of conduct and grievance policy.

We would like to acknowledge that our rides take place on native land. Our offices are located on the traditional land of the first people of Seattle, the Duwamish People past and present.

Support During the Ride

This ride is supported by Cascade staff and volunteers, local community group volunteers, and municipal and county services. 

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Support and gear (SAG) vehicles are present on the route and dispatched when you call the ride support hotline. SAG vehicles can transport you and most models of bikes in the event of a mechanical or minor medical event. You will be taken to the next rest stop or the start/finish line, whichever is closest. Once safely arrived at the next stop, it is your responsibility to make arrangements for a friend or family member to retrieve you and your bike. You should always call 911 in a life-threatening emergency.

Outriders are volunteers in white, green, and black jerseys that ride on the route, assisting you with minor mechanical and minor medical issues, like cuts and scrapes, dispensing advice and directions, and helping you to Ride S.M.A.R.T. 

Medical riders are volunteers on bike in red and blue jerseys that can assist you with minor medical issues like cuts and scrapes, dehydration, sprained joints, and other non-life threatening issues. 

Mechanics are posted at the start line and at most official rest stops.

Traffic officers are posted at highway crossings. Traffic officers will direct riders in large groups across the Longview Bridge into Oregon on Sunday only, between 8 a.m. and 2:30 p.m.

We ask that personal support vehicles please stay off of the STP route. Riders should plan to meet with personal support vehicles away from the route to prevent unsafe interactions with rider traffic.

Weather

July weather can bring many things: rain, extreme heat, and lots of sun. Morning temperatures may vary drastically from midday temperatures. Wear or bring layers to have available on your bike with you,

Get your bike tuned up and in shape to ride in slick, rainy, low-visibility conditions. Bring front and rear lights, backup batteries, install fenders, service your brakes, and clean your chain.

Training

The Cascade Training Series is a twelve-week ride series designed to prepare you for STP. Riders of all paces will not only building their strength and endurance, but also their confidence.

To help you prepare for this ride, you can also check out our extensive schedule of Free Group Rides in the Puget Sound area. Find rides that fit your schedule and desired pace and distance. 

Training on your own? Use this handy Google Sheet to plan your rides and track your progress.

Click here for more training information

Packing List

Read the recommended packing list and get ready.

Hall of Fame

Have you completed the Seattle to Portland Bicycle Classic five or more times? You can join the STP Hall of Fame! Hang tight -- we'll have a new form for you to fill out to get onto the list or to update your listing.

Interested in becoming a sponsor? Contact our Sponsorship team: sponsorship@cascade.org.