Cascade Express Marathon

North Bend, WA, USA · September 12, 2026
partly-cloudy-day52°·69° high·Light·Dry
8
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Race Day Weather

partly-cloudy-day
52°at start
72° high
Light
Dry

Mild start, warming trend

Runners will face a temperature increase from 52°F at the start to 71°F by the finish, necessitating a conservative start. With a max wind of 5 mph and occasional gusts up to 20 mph, headwinds will impact pacing notably from miles 11 to 14, and again from 16 to 25. Runners should focus on hydration and pacing adjustments, particularly during the rolling terrain and significant descent between miles 15 and 26.

Race day forecast available in 103 days
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Pace Calculator

Distance: 26.2mi
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Race Info

Experience the exhilaration of running a fast, downhill half marathon through the stunning and picturesque Cascade Mountains. This extraordinary race offers runners the unique opportunity to pass through the renowned and historic tunnel, adding an element of mystique and adventure to your already unforgettable journey. With its gentle sloping terrain, this course is a magnet for personal records, ensuring that athletes of all abilities will have the chance to set new benchmarks for themselves. So lace up your shoes, embrace the natural beauty that surrounds you, and get ready to make lasting memories as you conquer this one-of-a-kind half marathon. Source

FAQ

When is the 2026 Cascade Express Marathon?

The 2026 Cascade Express Marathon will be held on Saturday September 12, 2026.

Is the Cascade Express Marathon a Boston Marathon Qualifier?

Yes, the Cascade Express Marathon is an official Boston Marathon qualifier.

What is the time limit for the Cascade Express Marathon?

The time limit for the Cascade Express Marathon is 6 hours.

What will the weather be like for the 2026 Cascade Express Marathon?

The forecast calls for a high of 72°F and a low of 51°F with a 10% chance of rain.

Historical Weather

Based on 5 years of data
Avg Temp
72°F
L:58° H:72°
RunScore
8
Conditions
Rain Freq
20%
1 of 5 yrs
Wind8mph
Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
cloudy
60°/65°Light
9
2024
clear-day
64°/75°-
8
2023
clear-day
55°/72°-
8
2022
clear-day
60°/84°-
8
2021
partly-cloudy-day
53°/62°-
8