Cascade Express Marathon
North Bend, United States • 12 Sep 2026
Cascade Express Marathon & Half
The Cascade Express Marathon and Half take place September 12, 2026 in Snoqualmie Pass, WA. The marathon is USATF certified and listed as a nationally ranked Boston Qualifier course, ranked number 5 in the nation. The certified marathon has a net downhill of 1,247 feet and an approximate total descent of 1,414 feet. The course is Boston Marathon qualifying eligible with no downhill time adjustment.
The route follows the Snoqualmie Tunnel corridor and uses a smooth rail-trail surface. Event services include professional timing with live tracking, experienced pacers, and aid stations placed approximately every two miles. The profile is a sustained net downhill that supports negative split pacing strategies.
The event is scheduled in the fall, offering cooler race-day conditions and timing that aligns with late-season Boston qualifying efforts. Cascade Express is part of the Downhill Super Series and is produced by Run Super Series, a series of events established in 2016.
Distances Visit the organization's website for the most recent information.
- Marathon USATF certified with 1,247 feet net downhill
- Half marathon on the same Snoqualmie Tunnel corridor