Three of the Fastest Boston Qualifier Courses in the U.S.
#5 FASTEST BQ COURSE | #22 FASTEST BQ COURSE | #35 FASTEST BQ COURSE
All downhill courses on the Palouse to Cascades Trail.
Boston Marathon qualifying eligible with no BQ time penalty.
Jack & Jill is an Abbott World Marathon Majors Age Group World Rankings Qualifier
Three race weekends. Three chances to run your best.
Choose Your Race Weekend
Why Runners Choose the Downhill Super Series
The Downhill Super Series brings together three of the fastest Boston Qualifier courses in the country, all run on the scenic Palouse to Cascades Trail.
These smooth rail-trail courses feature sustained net downhill profiles designed to help runners chase personal bests and Boston Qualifying times.
• Three of the fastest Boston Qualifier courses in the U.S.
• Boston Marathon qualifying eligible with no downhill penalty
• Marathon and half marathon distances
• Run through the iconic Snoqualmie Tunnel
• Smooth rail-trail surface built for fast pacing
• Three race weekends to match your training cycle
Run Through the Snoqualmie Tunnel
All three races pass through the 2.4-mile Snoqualmie Tunnel, one of the most memorable sections of any marathon course in the country.
Located along the Palouse to Cascades Trail, this historic rail tunnel offers cool temperatures and a unique running experience before the course continues downhill toward the finish.
Three Race Weekends. Three Chances to Run Your Best.
The Downhill Super Series allows runners to choose the race that fits their training cycle - or return just weeks later for another attempt.
Many runners chasing a Boston Qualifier or breakthrough performance plan their season around the series.
Run Fast in Washington
JUNE JULY SEPTEMBER
Super Hyak → Jack & Jill → Cascade Express
#22 Fastest #35 Fastest #5 Fastest
BQ Course BQ Course BQ Course
Three race weekends. Three chances to run your best.
June 13
Ranked #22 Fastest Boston Qualifier Course
Boston Marathon Qualifier • No BQ Time Penalty
An early-season downhill marathon and half with cool mountain temperatures and smooth rail-trail miles — perfect for runners aiming to set a strong time before summer heat arrives.
July 25 & 26
Ranked #35 Fastest Boston Qualifier Course
Boston Marathon Qualifier • No BQ Time Penalty
One of the most popular downhill marathons in the country and an Abbott World Marathon Majors Age Group World Rankings Qualifier.
September 12
Ranked #5 Fastest Boston Qualifier Course
Boston Marathon Qualifier • No BQ Time Penalty
A fast fall marathon and half marathon offering one more opportunity to secure a PR or Boston Qualifier before the season ends.
Fast Boston Qualifier Marathons
The Downhill Super Series features some of the fastest Boston Qualifier marathons in the United States. With three nationally ranked courses — Cascade Express (#5), Super Hyak (#22), and Jack & Jill (#35) — runners have multiple opportunities to chase a Boston Qualifying time on proven downhill courses along Washington’s scenic Palouse to Cascades Trail.
Each race offers marathon and half marathon distances and is Boston Marathon qualifying eligible with no BQ time penalty.
Run Fast in Washington
Whether you're chasing a Boston Qualifier or your next personal best, the Downhill Super Series gives runners multiple opportunities to run fast on proven courses.
Athletes travel from across the United States to race these scenic downhill courses along the Palouse to Cascades Trail.
Choose your race - or run all three.
Cascade Express • Super Hyak • Jack & Jill
Three race weekends. Three chances to run your best.
