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Tunnel Light Marathon

September 10 @ 8:00 AM - 3:00 PM PDT

Registration Opens January 1, 2023
The Tunnel Light Marathon race offers one of the fastest courses in the country. This point-to-point course delivers excellent times thanks to the consistent downhill grade and low starting elevation. It is the perfect race to set a Personal Record and snag a Boston Qualification on a single course.

Run through a dark tunnel lit by your best running mates, gawk at the mountains and waterfalls, take in the sweet Washington air and let your legs go. The speed of the course comes from a loss of just over 2,000′ of elevation at a consistent grade of approximately 2.2%.

The Tunnel course is in the top 10 for a BQ per Runners World and Race Raves! This USATF Boston Certified course (WA21010RMB) has helped over 42% of our runners snag a BQ on the ORIGINAL Tunnel course. Founded by Washington resident Brian Pendleton and offered since 2007, you can be sure you’re in good hands. It’s been a favorite among racers, and why runners continue to come back for more!

Come run a marathon with the Tunnel Marathons Team and enjoy a 5-star marathon experience. Whether your first or 100th marathon, we care about our runners, we care about helping you set a new personal record, and we care about sending you to the Boston Marathon.


September 10
8:00 AM - 3:00 PM PDT
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Tunnel Marathons
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Snoqualmie Pass
69805 SE Snoqualmie Pass Smt
Snoqualmie, OR 98068 United States
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