Tunnel Marathon & Half Marathon-Fast. Scenic. Boston Built. Iconic. Unforgettable. The Tunnel Marathons deliver one of the fastest marathon & half marathon experiences in the country. With a steady downhill grade and low starting elevation, this course is engineered for speed — an ideal opportunity to set a Personal Record, earn a Boston Qualification (marathon), or run your first race. From the moment you enter the historic Snoqualmie Tunnel to the final miles surrounded by mountain views, waterfalls, and crisp Washington air, the Tunnel Marathons are as breathtaking as they are fast. The Tunnel Marathon & Half Marathon offers one of the fastest and most unique race experiences in the Pacific Northwest. 2026 Course Update Due to severe storm damage, the 2026 event will follow an alternate, fully permitted route. The 2026 course will: -Remain fast and scenic -Features approximately 1,000 feet of net elevation drop (marathon & Half) -USATF-certified, and the marathon is a Boston Qualifier While the finish differs from the traditional course, the spirit of the Tunnel Marathons remains unchanged — a smooth downhill rail trail, stunning Pacific Northwest scenery, and the unforgettable run through the Snoqualmie Tunnel. A Proven Boston Qualifier (Marathon) The original marathon course ranked in the Top 10 nationwide for Boston Qualifiers (Runner’s World and RaceRaves) and has helped more than 42% of participants earn a BQ. In 2026, expect the same professional organization, safety standards, and fast course design that define the Tunnel experience. Come run fast. Come run iconic. Come find your light at the end of the tunnel. We offer three races; choose your day: Light at the End of the Tunnel Marathon & Half – June 7, 2026 Tunnel Vision Marathon & Half – August 9, 2026 Tunnel Light Marathon & Half – September 13, 2026 Built for Speed: -Approximately 1,000 feet of net downhill -Smooth, packed gravel surface (road or light trail shoes work well) Registration Includes: -Professional chip timing -Custom race bib -Finisher’s shirt and medal -Post-race food and festivities -Shuttle transportation back to Hyak Sno-Park Shuttle & Finish: After finishing at Garcia Trailhead, runners will enjoy a scenic one-mile walk down Forest Service Road 9020 to the shuttle buses. Shuttles return participants to Hyak for celebration and refreshments. What to Know: -Headlamps are required for the Snoqualmie Tunnel -Course surface is packed gravel -Aid stations every 2–3 miles with water, electrolytes, first aid, and Honey Stinger gels at select locations
Hotels Near This Race
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Tunnel Light Marathon & Half 2026 — Snoqualmie Pass, WA
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Race Travel Insurance
Don't forget travel insurance for September 13.
You've trained for months and booked a trip to Snoqualmie Pass, WA.
A pre-race injury, a delayed flight, or a family emergency can derail the whole thing.
Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it,
and may cover medical costs if something goes wrong on the course. Plans typically only run
5-7% of your total trip cost — and running events are covered under standard plans with no
additional coverage needed.
Trip cancellation up to 100% of prepaid costs
Running events covered under standard plans — no add-ons needed
Trip interruption up to 150% of non-refundable costs
When is Tunnel Light Marathon & Half 2026 — Snoqualmie Pass, WA?
Tunnel Light Marathon & Half 2026 — Snoqualmie Pass, WA takes place on September 13, 2026. The race is held in Snoqualmie Pass, Washington.
Where is Tunnel Light Marathon & Half 2026 — Snoqualmie Pass, WA held?
Tunnel Light Marathon & Half 2026 — Snoqualmie Pass, WA is held at NF-906, Hyak Dr E in Snoqualmie Pass, Washington.
Where can I find hotels near Tunnel Light Marathon & Half 2026 — Snoqualmie Pass, WA?
RaceHotelFinder shows hotels sorted by distance from the race venue in Snoqualmie Pass. Use the map or list view on this page to compare options and book race weekend accommodation.
