Race Day Weather
Mild start, warming trend ahead
Runners will face a starting temperature of 61°F, rising to 77°F by the end of the race. With a humidity level of 66% and a steady wind from the SW at 8 mph, hydration will be crucial. It is advisable to start conservatively and adjust pace as temperatures climb.
Pace Calculator
The Tunnel Vision Marathon offers a fast, point-to-point course through the scenic Pacific Northwest. Runners start at Hyak Sno-Park near Snoqualmie Pass, traverse the historic 2.4-mile Snoqualmie Tunnel, and descend approximately 1,000 feet over 26.2 miles on packed gravel trails. The route features stunning mountain views, waterfalls, and lush forests, culminating in a finish near North Bend. This course is renowned for its potential to set personal records and qualify for the Boston Marathon. Source
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 |  | 64°/84° | - | 57° | |
2024 |  | 61°/69° | - | 56° | |
2023 | | 65°/85° | - | 58° | |
2022 | | 59°/76° | - | 55° | |
2021 | | 62°/78° | - | 59° | |
2019 | | 61°/73° | - | 55° | |
2018 | | 60°/76° | - | 56° | |
2017 | | 57°/73° | - | 52° | |
2016 | | 60°/71° | - | 54° |