Jack & Jill Marathon & Half

 • 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!"