Overview
The Cascade Express Marathon and Half Marathon are legendary for speed and scenery, ranked among the fastest courses in the United States and one of the top Boston Qualifier marathons with a BQ rate of over 34%. This is your chance to chase a personal record or lock in that Boston dream on a course that’s as inspiring as it is fast.
Imagine yourself gliding down a point-to-point gravel trail framed by the Cascade Mountains, Keechelus Lake shimmering beside you, and the thrill of a gentle net descent carrying you toward the finish. Whether you’re gunning for a PR, your first Boston Qualifier, or simply a memorable race experience, the Cascade Express delivers beauty, community, and unforgettable momentum from start to finish.
Sunday, June 22, 2025
Registration
Opens
TBD
Closes
TBD
Registration Fee
$115-$135
Official race details:
Logistics
The closest airport is Seattle-Tacoma International Airport (SEA), approximately a 1 hour drive from the race start. Nearby cities with lodging and dining include Snoqualmie, North Bend, and Issaquah.
Driving Directions
Parking
Free parking is available at the Summit I-90 Ski Area, about a 10-minute walk from the start line. Paid parking is available at the Hyak Trailhead with Discover Pass or $10 fee. Spectator parking at the finish line is along SE Homestead Valley Road, with a 1 mile walk to the finish area. Shuttle service runs between the finish and start line.
Passes Required
Lodging
Snoqualmie, North Bend, and Issaquah provide a wide range of hotel and lodging options within a short drive to the start line.
Policies
Cancelations & Deferrals
Volunteers
Volunteers are a key part of the Cascade Express experience. Opportunities include course marshaling, aid station support, medical support, and finish line hospitality. Sign up to volunteer at https://runsuperseries.com/volunteer
Land Acknowledgement
We acknowledge that this event takes place on the traditional lands of the Coast Salish peoples, including the Snoqualmie Indian Tribe. We honor with gratitude the land itself and the Indigenous peoples who have stewarded it throughout generations.
About
Run Super Series
Run Super Series is a dynamic and community-driven race organizer based in Washington State, offering one of the most diverse and exciting collections of road and trail running events in the Pacific Northwest. From accessible 5Ks to challenging 100-mile ultras, this race series is designed by runners, for runners, delivering memorable experiences that blend scenic courses, thoughtful race support, and signature personal touches.
Their events span iconic locations across Washington, including Seattle, North Bend, University Place, Everett, and Quincy. Participants can expect breathtaking backdrops—from Lake Union and the Snoqualmie Tunnel to the golden hills of the Washington desert and the dramatic views of Chambers Bay. Whether it’s a fast Boston-qualifier marathon, a women’s empowerment run, a scenic ultra in the Cascades, or a fun summer evening 5K, every race in the Run Super Series is crafted with care and intention.
Runners consistently praise Run Super Series events for being well-organized, scenic, and inspiring. Testimonials highlight their life-changing impact, exceptional support, and the opportunity to explore the beauty of the Pacific Northwest on foot. Whether you're chasing a PR, discovering a new trail, or running with friends for fun, Run Super Series promises to deliver your next favorite running experience.
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