$119
Half Marathon Entry
9
Aid Stations
7
Days Away
The Tunnel Marathons are a series of three net-downhill marathon and half marathon events held in the Pacific Northwest, featuring a run through the historic Snoqualmie Tunnel on a smooth packed-gravel rail trail. The courses are USATF-certified Boston Qualifiers known for fast finishing times and stunning mountain scenery.
Registration Opens
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Race Day
Sep 13, 2026
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Current Price
$119
Half Marathon Entry
Price Progression
| Station | Distance | Crew | Drop Bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Aid #1 Outbound. Water only. | 2.50 miles | -- | waterfirst aid | ||
Aid #2 Outbound. | 5.00 miles | -- | waterTailwind electrolyte drinkfirst aid | ||
Aid #3 After turnaround. | 8.00 miles | -- | waterTailwind electrolyte drinkfirst aid | ||
Aid #4 After turnaround. | 10.50 miles | -- | waterTailwind electrolyte drinkfirst aid | ||
Hyak Ham radio unit on site. Halfway point / tunnel entry. | 13.20 miles | -- | waterTailwind electrolyte drinkHoney Stinger Energy Gelsfirst aid | ||
Tunnel Exit Headlamp drop available here. | 15.60 miles | -- | waterTailwind electrolyte drinkfirst aid | ||
Humpback | 18.10 miles | -- | waterTailwind electrolyte drinkHoney Stinger Energy Gelsfirst aid | ||
Bandera | 21.10 miles | -- | waterTailwind electrolyte drinkfirst aid | ||
Rock Creek Ham radio unit on site. | 23.50 miles | -- | waterTailwind electrolyte drinkHoney Stinger Energy Gelsfirst aid |
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
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