Jack & Jill’s
Downhill Marathon & HalfNorth Bend, WA
Where 1 in 5 Runners
Qualify for Boston
July 25 & 26
~1,000’ Net Downhill
USATF Certified
The Downhill That Sends Runners to Boston
Jack & Jill’s Downhill Marathon and Half
• Flat, controlled first half—lock into goal pace
• Mile 13: Snoqualmie Tunnel (headlamp required)
• Final 13 miles: steady downhill built for negative splits
• ~1,000 ft net downhill—fast and forgiving in the final miles
• Finish in North Bend; shuttles return to Hyak
Designed for Boston Qualifiers
Abbott World Marathon Majors Age Group Qualifier
Jack & Jill is an official AbbottWMM Age Group World Rankings qualifying event — placing your performance on the global stage.
Engineered for Speed
• ~1,300’ sustained descent
• ~1,100’ Net Downhill – USATF Certified
• Boston Marathon qualifying eligible
• No downhill time adjustment
• Proven PR course design
• Two-day marathon & half weekend
• Professional timing + LIVE tracking
• Experienced pacers
When seconds matter, course design matters.
Why Run Jack & Jill
Jack & Jill is the downhill marathon weekend that sends runners to Boston. Built for peak summer fitness and sustained downhill pacing, this is where training converts into qualification.
• Iconic Snoqualmie Tunnel miles
• Smooth, fast rail-trail surface
• Proven Boston-qualifying results
• Mid-summer peak performance timing
• Built for negative splits & confident finishes
What Runners Say
BQ and PR!! Boston 2026 here I come💙🦄💛 Jack and Jill was my race to get a larger buffer. - Carolyn
BQ last July at Jack and Jill, Boston 2026 here I come! I love running this course, I would run it just for the peace and tranquility the course provides. P.S. - I love the tunnel, part of the experience. - Jon
"The finish line was awesome! They announce your name and let you know if you qualified for Boston. The crowd was amazing at the finish. And yes, I rang that PR bell with Pride! Would I run this marathon again? Absolutely!" - Annie
"10 min PR from my Boston Time, so it was very successful! It was a really fun race and loved the finish line!! Such a great atmosphere!"
The Course & the Snoqualmie Tunnel
Jack & Jill begins at Hyak and passes through the iconic Snoqualmie Tunnel before descending through sustained downhill miles designed for confident pacing and strong finishes.
The smooth rail-trail surface and consistent grade allow runners to settle into rhythm and negative split with control.
Scenic. Strategic. Fast.
• 2.4 mile iconic Snoqualmie Tunnel segment
• Smooth, hard-packed rail-trail surface
• Flat first half, followed by a sustained, runnable downhill grade built for negative splits
• Wide trail with minimal turns
• Finish in North Bend with strong closing miles
Ready to Run Your Fastest Summer Race?
Peak fitness. Sustained downhill speed. Proven Boston qualification results.
Jack & Jill typically sells out — secure your start line before race weekend fills.
Part of the Downhill Super Series
Jack & Jill is part of the Downhill Super Series — a collection of nationally recognized, net-downhill races built for speed and Boston qualification. These net downhill course have NO Boston Penalty.
The Series Includes:
Super Hyak Marathon
Get your BQ early
~1,247 ft downhill • Ranked #22
Ranked #22 Nationally for Boston Qualifying
Jack & Jill Marathon & Half
July 25 & 26
The iconic downhill marathon
~1,000 ft downhill • Abbott Qualifier
Cascade Express Marathon & Half
Your best shot at a Boston Qualifier
~1,247 ft downhill • Ranked #5 for a BQ
Professionally Produced by the Run Super Series
Celebrating 10 Years of Race Production
Jack & Jill Marathon & Half is produced by the Run Super Series, a Pacific Northwest race organization celebrating over a decade of fast, runner-first event production.
Established 2016.
