

RunWA
Cascade Express Marathon & Half Marathon
September 12, 2026 • Snoqualmie Pass, WA
Course Distances
13.1M
26.2M
About this race
A Premier Boston Qualifying Course in the Pacific Northwest!
WITH JUST UNDER 1500' OF DOWNHILL, THERE'S NO BOSTON TIME PENALTY!!This course is a premier Boston Qualifier, with a high BQ rate! Enjoy 26.2 miles of fast scenic downhill with a gorgeous view of the Cascade Mountains as you glide down the gravel trail on this point-to-point course. This is the ONLY marathon course that features jaw-dropping views as you run along Keechelus Lake. With just under 1500’ of gradual net downhill, we assure you that you will “find your super fast” on the way to a speedy time, PR, or BQ!
This is the third and final event in our 3-race Downhill Super Series. Downhill Super Series
The Cascade Express Half is one of the fastest half-marathon courses in the country! Enjoy 13.1 miles of scenic downhill with a gorgeous view of the Cascade Mountains as you glide down the gravel trail on this point-to-point course. This is the ONLY half-marathon course that features a run through the famous 2.4-mile Snoqualmie Tunnel. With 800’ of gradual net downhill, we assure you that you will “find your super fast” on the way to a speedy time or a PR!
Enjoy your finish with a custom medal, a tech shirt, and a drop bag.
Marathon USATF certification WA25021RMBMarathon is a Boston qualifier
Half Marathon USATF certification WA25023RMB
Official Registration
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Run Super Series Series
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