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Tunnel Light Marathon

Name: Tunnel Light Marathon
Start: 2026-09-13
End: 2026-09-13
Location: North Bend

North Bend, United States • 13 Sep 2026

Tunnel Light Marathon & Half Marathon - September 13, 2026

The Tunnel Light Marathon & Half Marathon is a downhill road and trail race near Hyak at Snoqualmie Pass, North Bend, WA. The 2026 edition follows an alternate, fully permitted route due to storm damage but retains a fast, scenic profile and a smooth rail-trail surface.

Distances offered

Marathon: approximately 1,000 feet of net downhill, USATF-certified, Boston qualifier
Half marathon: approximately 1,000 feet of net downhill, USATF-certified

Course and logistics are organized for speed and safety. The surface is packed gravel suitable for road or light trail shoes. Runners pass through the historic Snoqualmie Tunnel; headlamps are required for tunnel passage. Aid stations are placed every 2–3 miles and provide water, electrolytes, basic first aid, and Honey Stinger gels at select locations.

Finish and return details note a finish at Garcia Trailhead followed by a scenic one-mile walk down Forest Service Road 9020 to shuttle buses. Shuttles return participants to Hyak Sno-Park. Registration opens February 13, 2026 and closes September 6, 2026. Entry amenities include professional chip timing, a custom race bib, a finisher shirt and medal, post-race food, and shuttle transportation back to Hyak Sno-Park. Visit the organization's website for the most recent information.

United States Washington North Bend

Race information

Website Registration

Marathon

Half Marathon

Tunnel Light Half Marathon

Visit the organization's website for the most recent information.

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