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

Cool start, warm finish ahead

Runners will face a temperature increase from 52°F at the start to 71°F by the finish, with humidity around 63%. Winds will be light, with a headwind from miles 11-14 and 16-18, posing challenges during these segments. To manage the heat, participants should adjust their pace as temperatures rise, especially after mile 15, where the descent may encourage faster splits.

Race day forecast available in 43 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 6% 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