Run Super Downhill Series | Jack & Jill
13-1M26-2M
Run Super Series
Jul 25, 2026
WashingtonFind your super fast in the Cascades
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.
UTMB Index: falseCuplessVegan Friendly
1000 participant limitWaitlist available
Course
Elevation Gain300ft
Elevation Loss1800ft
Max Altitude2600ft
Cutoff Time2:00PM
The Cascade Express Marathon and Half Marathon are fast, scenic, and unique experiences in the heart of the Cascade Mountains. The marathon covers 26.2 miles with a net downhill of 1,500ft, carrying runners past Keechelus Lake and into a gorgeous stretch of the Palouse to Cascades State Park Trail. The half marathon, equally stunning, follows a 13.1 mile point-to-point route that includes the unforgettable 2.4-mile Snoqualmie Tunnel. Both courses are gravel trail, smooth and runnable, with jaw-dropping mountain views that will keep you smiling all the way to the finish line.
Highlights include:
stunning views of the Cascade Mountains
gliding alongside Keechelus Lake
a 2.4-mile adventure through the Snoqualmie Tunnel
gentle continuous downhill to carry you toward a personal best
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Aid Stations
Aid stations are located every 2–3 miles on both marathon and half marathon courses, stocked with water and electrolyte drinks to keep you strong and hydrated. Portable toilets are located approximately every 5 miles, and medical personnel are stationed at the start, finish, and key points along the course to support runners. Course marshals are present to guide you and ensure safety throughout the day.
Logistics
Schedule
Marathon
6:00AM, Parking lots open at Summit I-90 Ski Area
7:00AM, Race start at Hyak Trailhead
9:30AM, Finish line opens at Cedar Falls Trailhead
10:00AM to 2:30PM, Shuttle buses run from finish line to start line parking areas
2:00PM, Finish line cutoff
Bib Pickup
Packet pickup is held on Friday, June 21 from 1:00PM to 7:00PM at Snoqualmie Running, 38843 SE Newton St, Snoqualmie, WA. Race morning pickup is available for $25 as an add-on option from 6:00 to 6:45AM for the marathon and 7:00 to 8:15AM for the half marathon at Hyak Trailhead. Runners must bring valid ID to collect their packet.
Drop Bags
Bag drop is available at the start line, with organized pickup at the finish line. Any unclaimed bags will be held at the lost and found.
Crew & Pacers
Crew and spectators are welcome at the Cascade Express. Best viewing locations include the Hyak Trailhead at the start, the Snoqualmie Tunnel entrances and exits, and the finish lines at Cedar Falls Trailhead and Palouse to Cascades State Park Trail. Visitors must follow all parking instructions and stay clear of the race course.
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
Swag & Medals
All participants receive a custom medal, a soft tri-blend race shirt, and a Run Super Series drawstring bag. Finishers are welcomed into a shaded finish area to relax and celebrate with fellow runners.
Getting There
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
Passes & Permits
Discover Pass required for parking.
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.
Lodging
Snoqualmie, North Bend, and Issaquah provide a wide range of hotel and lodging options within a short drive to the start line.
Snoqualmie Pass, washington
Requirements
The Cascade Express is open to runners of all experience levels. With generous cutoffs and full support, this race is beginner-friendly while also offering an incredible chance for seasoned runners to set new personal records.
Policies
Cancelations & Deferrals
Race Policies
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.
Disclaimer
We make every effort to provide accurate and up-to-date information on Kåduka, but details may change. Please always confirm the latest information on the official race website. See something that needs correcting? Send us a note at feedback@kaduka.app