Runners will face temperatures starting at 63°F and peaking at 70°F, with humidity at 79%. A headwind will affect the first two miles, necessitating a conservative approach to pacing. As the race progresses, a tailwind will assist between miles 10-13, but runners should prepare for more crosswinds through most of the course, particularly from miles 14-27.

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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 iconic Snoqualmie Tunnel, the marathon features a gradual descent of approximately 1,300 feet over 26.2 miles, providing an ideal setting for personal bests and Boston Marathon qualifications. The course is predominantly shaded, with a smooth, hard-packed gravel surface that is gentle on the legs, enhancing the overall running experience.

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FAQ

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

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

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

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

What is the time limit for the Jack and Jills Downhill Marathon (Saturday)?

The time limit for the Jack and Jills Downhill Marathon (Saturday) is 6.5 hours.

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

The forecast calls for a high of 73°F and a low of 62°F with a 0% chance of rain.

Historical Weather

Based on 4 years of data

Avg Temp

68°F

L:58° H:68°

RunScore

Conditions

Rain Freq

0 of 4 yrs

Wind6mph

Dew52°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Jack and Jills Downhill Marathon (Saturday) Partly cloudy throughout the day. 2026	60°/68°	-	54°
2025 Jack and Jills Downhill Marathon (Saturday) Partly cloudy throughout the day. 2025	56°/62°	-	51°
2024 Jack and Jills Downhill Marathon (Saturday) Partly cloudy throughout the day. 2024	58°/72°	-	51°
2023 Jack and Jills Downhill Marathon (Saturday) Clearing in the afternoon. 2023	57°/70°	-	52°

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