Jack & Jill Marathon & Half
About this race
• Ranked #35 Fastest Marathon in the U.S. (FindMyMarathon)
• 1 in 5 runners BQ
• ~1,000 feet of net downhill with NO Boston Qualifier time penalty
• Smooth, fast rail-trail surface built for negative splits
• Jack & Jill has sent thousands of runners to Boston
• Iconic Snoqualmie Tunnel experience
• Abbott World Marathon Majors Age Group World Rankings Qualifier
• Professionally timed with live tracking, detailed results, and printed results cards
• Super Pacers for key Boston Qualifying times
Over a decade of experience delivering one of the fastest and most trusted downhill races in the country.
What Runners Are Saying
"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! Was a really fun race and loved the finish line!! Such a great atmosphere!"
Pick your distance
Running
Marathon Saturday
USATF Certified Course Bring a flashlight or headlamp to safely navigate the tunnel.
Half Marathon Saturday
Ready to Fly Downhill? Want a fast, scenic, and PR-worthy half marathon? Our USATF Certified Course gives you exactly that. Bring a light for the tunnel!
Marathon Sunday
USATF Certified Course Bring a flashlight or headlamp to safely navigate the tunnel.
Half Marathon Sunday
Ready to Fly Downhill? Want a fast, scenic, and PR-worthy half marathon? Our USATF Certified Course gives you exactly that. Bring a light for the tunnel!
Typical race-day weather
Based on 1 year of Open-Meteo archive data for this event's race dates in Snoqualmie Pass, plus the 3 days either side.
The sun rises at 5:34 AM and sets at 8:50 PM local time (PDT) in Snoqualmie Pass on July 24, 2027 — 15h 15m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
Done this event?
If you've participated in this event, share your experience with other runners
Results — Jack & Jill Marathon & Half
Other races near Snoqualmie Pass
Different organizers, within 40 miles, in the next three months
Snoqualmie Valley Harvest Run
Never Ending Nolte 6-Hour
Carnation Turkey Trot
Maple Valley Turkey Trot: Thanksgiving Day 5K
🏃 Plan Your Next Race in Snoqualmie Pass
Find upcoming events by distance:
- Snoqualmie Pass Half Marathons 4 races
- Marathons in Snoqualmie Pass 4 races
- Snoqualmie Pass Running Calendar 2026 5 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 5 Snoqualmie Pass events
Spotted something wrong? Tell us and we'll fix it.