Earlybird: Jan. 8 - Feb. 2

STP Open for Members & 5-Packs
Everyone belongs on STP -- we ride together, one mile at a time. Challenge yourself and your friends to ride 207 miles on the Seattle to Portland Bicycle Classic presented by Alaska Airlines.
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STP riders in 2025 show off the vivacious pink jersey
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A speaker stands next to a podium in front a screen with a slide show displayed on it.

Community Event

Registration Now Open

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Three smiling people standing in front of vendor booths, clothing racks, and tires in a large hall with columns.

Community Event

Registration Now Open

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A person on a bike holds up their hand in celebration as part of the movie poster for the Seattle-based documentary We Ride Why.

Community Event

Registrations opening TBD

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2025 Chilly Hilly riders celebrate their finish with silly poses

Single Day Ride

Registration Now Open

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2,173 ft. 33.00 mi.

Free Group Rides

Free Group Rides are available 365 days a year, and our certified Ride Leaders offer a variety of locations, paces, and terrains for you to ride across the Puget Sound region.

  • Many pace options
  • Terrains of all kinds
  • All over the Puget Sound area
  • Every day
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Kid with helmet on a scooter with dad on bike.

Support Our Work

Your support enables us to continue advocating for trails and policies that make our city streets safer; ensures community rides are accessible and affordable; and allows us to educate youth and adults through low-cost classes about how to ride and maintain their bikes.

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A woman raises her arms to celebrate a bike ride while getting doused with water. A Cascade member graphic is next to her

Become A Member

Join over 9,500 Cascade members and support our work in advocacy, education, and community programming. Plus you get benefits like priority registration, refund eligibility on Cascade rides, and exclusive deals from bike partners.

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Buy a bicycle at Bike Swap 2026

Test a New E-Bike and Get Deals on Gear at Seattle Bike Swap 2026

  • Score deals and discounts on new, used, and vintage bikes and gear on Feb. 7 at the Seattle Bike Swap and E-Bike Demo.
  • Multiple bike shops will offer test rides on a variety of electric bikes and e-cargo bikes.
  • Consign a used bike and make some cash while supporting Cascade’s Major Taylor Project.
Riding my electric cargo bike is my favorite thing

Paul Tolmé

22 Jan 2026
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Big progress locally in a difficult year nationally

Bikes Brought Joy and Progress to WA in a Dark Year Nationally

  • Cascade and Washington state’s bike movement made great progress in 2025–even as our federal government turned hostile.
  • We taught a record number of schoolchildren bike skills, celebrated the expansion of Seattle's Bike Network, sold out STP, and created new rides.
  • Read about our proudest moments and favorite people in our 2025 Year in Review.
Riding my electric cargo bike is my favorite thing

Paul Tolmé

18 Dec 2025
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Ride for Major Taylor participants ride in beautiful Tacoma past Puget Sound.

Cascade Rides Are a Vibe. Save the Date for our 2026 Rides & Tours!

  • With a NEW Family Ride and NEW San Juan Islands Tour, our 2026 Events and Rides Season is your passport to bike and explore more.
  • Get essential dates for STP, RSVP, Chilly Hilly, road and gravel Tours, our W&NB Ride, plus the likely return of the beloved Emerald City Ride.
  • Oh yeah: STP 5-packs are back!
     
Riding my electric cargo bike is my favorite thing

Paul Tolmé

3 Dec 2025