Race Day Weather
Cool start, warming up
Runners will face temperatures starting at 56°F and rising to 69°F. With a gentle wind from the SW at 8 mph, conditions will remain favorable throughout. Humidity is moderate at 60%, allowing for a comfortable race, but runners should stay hydrated as temperatures rise.
The Light at the End of the Tunnel Marathon offers a unique and fast point-to-point downhill course through the scenic Pacific Northwest. Runners begin at Snoqualmie Pass, journeying through a two-mile, unlit tunnel before continuing on a gentle, consistent downhill grade along a packed gravel rail trail, surrounded by mountain views and waterfalls. This iconic race is renowned for its potential for personal bests and Boston Marathon qualifying times. Source
FAQ
When is the 2026 Light at the End of the Tunnel Marathon?
Is the Light at the End of the Tunnel Marathon a Boston Marathon Qualifier?
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°/83° | - | 56° | |
2024 | | 56°/70° | - | 50° | |
2023 |  | 58°/66° | - | 53° | |
2022 | | 53°/58° | Light | 48° | |
2021 |  | 59°/64° | Light | 57° | |
2019 | | 54°/69° | - | 47° | |
2018 | | 51°/60° | Light | 44° | |
2017 | | 54°/66° | - | 50° | |
2016 | | 56°/66° | - | 40° | |
2015 | | 56°/77° | - | 46° | |
2014 | | 65°/83° | - | 55° | |
2013 | | 58°/78° | - | 49° | |
2012 | | 59°/63° | - | 52° | |
2011 | | 60°/79° | - | 53° | |
2010 | | 60°/80° | - | 53° | |
2009 | | 53°/65° | - | 49° | |
2008 | | 69°/78° | - | 61° |