Tunnel Light Marathon

SEP

2026

Run the Tunnel Light Marathon and Half on a scenic point to point course from Snoqualmie Pass to North Bend, featuring a tunnel section and steady downhill that makes for fast times. Registration opens January 1, 2026.

Sun 13 Sep 2026

North Bend, Washington

Website Registration

Marathon Half Marathon

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Event

The Tunnel Light Marathon & Half Marathon takes place on Sunday, September 13, 2026. The event starts near Snoqualmie Pass (Hyak) and finishes in North Bend, Washington. It includes a full marathon and a half marathon labeled the Tunnel Light Half Marathon. Registration opens January 1, 2026.

Course

The races use a point-to-point route that begins at Snoqualmie Pass and finishes in North Bend. The course passes through a tunnel section. The route has a consistent downhill grade of about 2.2% and a total elevation loss of just over 2,000 feet. The marathon course is USATF Boston Certified (WA21010RMB). The organizer reports that over 42% of runners on the original Tunnel course achieved a Boston Qualifier. Visit the organization's website for the most recent information.