Jack & Jill Marathon & Half
Ranked #35 Fastest Marathon in the U.S. (FindMyMarathon). Approximately 1 in 5 runners achieve a Boston Qualifier (BQ). The course features about 1,000 feet of net downhill with no Boston Qualifier time penalty, on a smooth, fast rail-trail surface built for negative splits. Jack & Jill has helped thousands of runners reach Boston and offers an iconic Snoqualmie Tunnel experience. It is an Abbott World Marathon Majors Age Group World Rankings Qualifier.
The event includes professional timing with live tracking, detailed results, and printed results cards. Super Pacers are available for key Boston Qualifying times. With over a decade of experience, this race is known for 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!"