Logo

Tunnel Light Marathon

North Bend, United States • 14 Sep 2025

Tunnel Light Marathon is a marathon in Washington state, running from Snoqualmie Pass to North Bend. It is a point-to-point, USATF Boston Certified course (WA21010RMB) with a downhill grade of about 2.2% and a total elevation loss of just over 2,000 feet, making it one of the fastest courses in the country and a popular Boston-Qualifier on the original Tunnel course. Runners begin at Snoqualmie Pass, pass through a lit tunnel, and finish in North Bend, enjoying mountain and waterfall scenery and crisp Washington air. The event, organized by the Tunnel Marathons Team since 2007, emphasizes a high-quality, supportive marathon experience. Visit the organization's website for the most recent information.

United States Washington North Bend

Race information

Website Registration
42 km
Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Grand Ridge Trail Run

Issaquah - 11 mi from North Bend

...

Run the scenic, rugged Grand Ridge Trail Run in Issaquah on November 8, 2025, with 5 mile, half marathon, full marathon and 50K options. Expect technical single track, big climbs and handmade solar powered swag for all finishers.

Ravenna Refresher Trail Run

Seattle - 26 mi from North Bend

Join the Ravenna Refresher Trail Run on November 15, 2025 at Ravenna Park in Seattle, with 4k, 8k and 12k options on a scenic forest loop with mild climbs. A friendly, well supported Winter Trail Series stop for trail runners.

Redmond Reindeer Romp

Redmond - 20 mi from North Bend

Event overview The Redmond Reindeer Romp takes place on December 6, 2025, at Redmond Watershed Preserve in Redmond, WA. The event is part of the 2025-26 Winter Trail Series and offers the following distances: 5-mile Half marathon Online p..

Pigtails Run

Maple Valley - 14 mi from North Bend

Pigtails Run in Maple Valley on Dec 13, 2025 offers 50K, marathon and half on scenic mixed trail with gravel and crushed rock. This low cost Fat Ass event celebrates self sufficiency and welcomes finishers with pizza and medals.

Seward Solstice Run

Seattle - 26 mi from North Bend

Celebrate the solstice with a forest run at Seward Park in Seattle on December 20, 2025, choose 4.2 mile or 10k and enjoy an old growth loop along Lake Washington. Dress up for the costume contest and win a free entry.

Absolution Run

Kenmore - 28 mi from North Bend

Kick off 2026 on the trails at Absolution Run, January 3 at St. Edward State Park in Kenmore. Pick a 4 mile loop or an 8 mile double loop over winding single track and lakeshore, finishing with an uphill push and full aid station support.