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New Jack & Jill Course Update

We’re excited to officially confirm the new Jack & Jill Marathon & Half Marathon course.

Thank you for your patience and trust while we worked to secure the best possible course for runners to enjoy and crush their goals.

The updated course keeps the fast, PR-friendly experience Jack & Jill is known for — with fresh scenery and an improved race-day flow.

Course Highlights

• Point-to-point course

• Net downhill: ~1,100 feet

• Boston Qualifier eligible — no 5-minute downhill penalty

• Run through the iconic tunnel

• New scenic views including Lake Keecheles

Jack & Jill continues to be one of the fastest and most enjoyable marathon and half marathon experiences in the Pacific Northwest.

Race-Day Experience

• Professionally timed by Laurell (formerly Brooksee)

• Live tracking, mile splits, and printed finisher cards

• Abbott World Marathon Majors Age Group Ranking — Tokyo 2027

• Our Super Pacers leading you to your best time

Looking for a different date?

The Downhill Super Series now offers three weekends and three fast courses:

• Jack & Jill Marathon & Half — ~1,100’ net downhill

• Super Hyak Marathon & Half — 1247’ net downhill

• Cascade Express Marathon & Half — 1247’ net downhill

Choose the weekend that fits your race calendar best.

We can’t wait to welcome you to the new Jack & Jill course.

Visit the official race website for full race details, course maps, and race weekend information: Jack & Jill Marathon & Half

IMPORTANT FOR 2026: Damage to the Iron Horse trail from the December floods mean that no events are being held there in 2026, including the Iron Horse Half. Our course will be re-routed to adjust to this. Participants will be notified once our course adjustments are finalized. Thank you for your patience.

The Iron Horse Half Marathon will take place on August 30th, 2026 and is a half marathon starting at Olallie State Park and finishing in North Bend. It is a beautiful course that winds along the river and through the woods. PLUS IT'S 90% DOWNHILL!

Race Website

Check out our Bundle/Save

VIRTUAL RACE INFO - We have 40 spots for virtual runners. Once they sell out there are no more available. You can run the distance all at once or break it up into chunks and run it on the date of your choosing. You will receive a shirt and medal that will be mailed after the in person race.

#5 Fastest Boston Qualifier in the Nation

The Cascade Express Marathon & Half in North Bend, WA offers fast, scenic downhill marathon and half marathon courses along the Palouse to Cascades Trail that meet Boston Marathon qualifying standards with no 5-minute 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 1247’ 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 1000’ 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 WA25021RMB

Marathon is a Boston qualifier

Half Marathon USATF certification WA25023RMB

Visit the official race website for full race details, course maps, and race weekend information: Cascade Express