America’s Fastest BQ & PR Courses

All Downhill.
No 5-Minute Boston Qualifier Penalty.
Three race weekends to choose from.

downhill marathon runners Washington Boston Qualifier marathon course Snoqualmie Pass marathon Pacific Northwest trail marathon
downhill marathon runners Washington Boston Qualifier marathon course Snoqualmie Pass marathon Pacific Northwest trail marathon tunnel exit
downhill marathon runners Washington Boston Qualifier marathon course Snoqualmie Pass marathon Pacific Northwest trail marathon tressel bridge

Built for Boston Qualifiers & Personal Records

The Downhill Super Series was created for runners chasing fast times.
Each race begins with flat, runnable miles and finishes with 13–16 miles of gradual downhill,
the ideal profile for negative splits and strong finishes.

Boston Qualifier Courses • Abbott Age Group Awards Qualifier • Professionally Timed by Laurell


Downhill SUPER Series

If your goal is a Boston Qualifier or a new PR, this series was built for you.

• All downhill marathon & half marathon courses
• Smooth, fast rail-trail running surfaces
• Flat early miles + long gradual downhill finish
• Built for negative splits and fast times
• Professional race production & live tracking
• Three weekends to choose the date that works best for you

The Downhill Super Series brings together the fastest downhill marathons and half marathons in Washington State. Designed for runners chasing Boston Qualifiers and personal records, each course begins with flat, runnable miles and finishes with long, gradual downhill — the ideal profile for negative splits and strong finishes.


Runners exiting the snoqualmie tunnel marathon and half downhill super series snoqualmie pass hyak

Choose Your Race Weekend


June 13

Held in June, the Super Hyak Marathon & Half is a great early-season race with cool temperatures and a fast course. It’s a solid option for runners looking to test their training and set a strong time before the summer heat picks up. And with 1400’ of total downhill, there is no Boston Qualifying time penalty.


July 25 & 26

The largest race in the series, Jack & Jill attracts runners from all over the country aiming for a fast time. With one of the highest percentages of Boston qualifiers, it offers a great mix of competition and support. And with 1300’ of total downhill, your time will be faster than you’d think!


September 12

The Cascade Express in September is a great way to close out the season. With cooler fall temperatures and the same smooth downhill course, it’s another chance to secure a BQ or PR before the year wraps up. And with 1400’ of total downhill, there’s no Boston Qualifier time penalty!


One Summer. Three Chances to PR.

Whether you're chasing a Boston Qualifier or your next personal best, the Downhill Super Series gives you multiple opportunities to run fast on proven courses.

Choose your race — or run all three.

Why run the Downhill Super Series?

• No Boston downhill time penalty
• Courses built for negative splits
• Three chances to qualify for Boston in one summer
• Destination race weekends in the Pacific Northwest


Downhill marathon courses are popular with runners chasing Boston Qualifying times and personal records. Net downhill elevation profiles allow runners to conserve energy early and finish strong during the later miles. The Downhill Super Series offers some of the most downhill marathon and half marathon courses in the Pacific Northwest, with three race weekends to choose from each year.

Runners travel from across the United States to race the Downhill Super Series in Washington.