Pacific Northwest Marathon

Harrisburg, OR, USASeptember 19, 2026
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Race Day Weather

partly-cloudy-day
51°
72° high
Breezy
Dry

Cool start, warm finish

Runners will face a temperature rise from 51°F at the start to 72°F by the finish, with humidity averaging 69%. Light winds from the S will provide a slight challenge, with gusts up to 23 mph. Runners should consider adjusting their pace as temperatures increase and stay hydrated throughout.

Race day forecast available in 168 days
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Pace Calculator

Distance: 26.2mi
0:00:00
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Pace
Weather Adj.
Common Goals:

The Pacific Northwest Marathon offers a flat, fast out-and-back course through the scenic Willamette Valley farmland in Harrisburg, Oregon. With marathon, half marathon, 10K, and 5K options, the event is known for its small race charm, frequent aid stations, and friendly volunteers, making it a great fall tune-up. The USATF-certified course is ideal for runners aiming for personal bests or Boston Marathon qualification. Source

Area Map

Course Map

FAQ

When is the 2026 Pacific Northwest Marathon?

The 2026 Pacific Northwest Marathon will be held on Saturday September 19, 2026.

Is the Pacific Northwest Marathon a Boston Marathon Qualifier?

Yes, the Pacific Northwest Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Pacific Northwest Marathon?

The forecast calls for a high of 72°F and a low of 51°F with a 0% chance of rain.

Historical Weather

Based on 3 years of data
Avg Temp
76°F
L:51° H:76°
RunScore
7
Conditions
Rain Freq
0%
0 of 3 yrs
Wind11mph
Dew52°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
clear-day
54°/74°-
8
2024
clear-day
47°/72°-
8
2023
clear-day
53°/82°-
8