Jack and Jills Downhill Marathon (Sunday)

North Bend, WA, USA · July 26, 2026
clear-day53°·72° high·Light·Dry
9
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Race Day Weather

clear-day
53°at start
77° high
Light
Dry

Comfortable temps, big temp swing

Mild 53°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 77°F by later miles, so expect fading conditions as the race progresses. Moderate humidity at 66% is worth noting for effort level, especially in later miles.

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Distance: 26.2mi
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Race Info

The Jack & Jill's Downhill Marathon in North Bend, Washington, offers runners a fast, net-downhill course along the scenic Palouse to Cascades State Park Trail. Starting near the Snoqualmie Tunnel, the 26.2-mile route features a gradual descent of approximately 1,300 feet, ideal for setting personal records or qualifying for the Boston Marathon. Runners traverse a smooth, hard-packed gravel trail, passing through the iconic Snoqualmie Tunnel and enjoying views of the Cascade Mountains and lush forests. The race is capped at 1,100 participants, with a 6:00 a.m. start and a 6.5-hour time limit, ensuring a well-supported and memorable experience.

Area Map

Course Map

FAQ

When is the 2026 Jack and Jills Downhill Marathon (Sunday)?

The 2026 Jack and Jills Downhill Marathon (Sunday) will be held on Sunday July 26, 2026.

Is the Jack and Jills Downhill Marathon (Sunday) a Boston Marathon Qualifier?

Yes, the Jack and Jills Downhill Marathon (Sunday) is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Jack and Jills Downhill Marathon (Sunday)?

The forecast calls for a high of 79°F and a low of 50°F with a 7% chance of rain.

Historical Weather

Based on 3 years of data
Avg Temp
69°F
L:58° H:69°
RunScore
9
Conditions
Rain Freq
0%
0 of 3 yrs
Wind7mph
Dew52°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
partly-cloudy-day
57°/70°-
9
2024
cloudy
58°/67°-
9
2023
cloudy
60°/70°-
9