Pacific Northwest Marathon

Harrisburg, OR, USA · September 19, 2026
partly-cloudy-day53°·72° high·Breezy·Dry
9
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Race Day Weather

partly-cloudy-day
53°at start
72° high
Breezy
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 72°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing. Moderate humidity at 69% is worth noting for effort level, especially in later miles.

Race day forecast available in 147 days
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Distance: 26.2mi
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Race Info

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.

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