Mount Rainier Half Marathon, 10K & 5K
Enumclaw, Washington, United States
Jul 17-18, 2026 - Friday to Saturday
5k, 10k, Half-marathon
Race Information
Take in the peaks and valleys of Crystal Mountain, where you’ll start at the summit with epic views of Mount Rainier and run downhill, enjoying the incredible scenery with every step. This is more than just a race; it’s a journey through Washington’s most awe-inspiring wilderness. Register now and claim your place in one of the Pacific Northwest’s premier running events!
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Downhill Super Series 🪽
3 of the Fastest Boston Qualifier Courses in the U.S.
#22 Fastest | #35 Fastest | #5 Fastest 🇺🇸
Boston Marathon qualifying eligible with no downhill penalty! Marathon and half marathon distances un through the iconic Snoqualmie Tunnel.
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🪽 Super Hyak Marathon & Half - June 13th
🌲 Jack & Jill Marathon & Half - July 25 & 26th
⛰️ Cascade Express Marathon & Half - Sept. 12th
These smooth rail-trail courses feature sustained net downhill profiles designed to help runners chase personal bests and Boston Qualifying times. Located along the Palouse to Cascades Trail, this historic rail tunnel offers cool temperatures and a unique running experience before the course continues downhill toward the finish.
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Race Facts
Race Size: 100 - 500
Course Type: Road
Boston Qualifier: No
Kids Run: No
Where to Stay
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