Pacific Northwest Marathon

Harrisburg, OR, USA • September 19, 2026
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Race Day Weather

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

Cool start, warming trend

Runners will face temperatures rising from 51°F to 72°F during the race. With a max wind of 9 mph from the S and average humidity at 69%, it’s crucial to stay hydrated. Runners should adjust their pace as temperatures climb, starting conservatively to maintain energy levels.

Race day forecast available in 176 days
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Pace Calculator

Distance: 26.2mi
0:00:00
HH:MM:SS
Pace
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Weather Adj.
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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

Course Map Unavailable

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FAQ

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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.

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 Pacific Northwest Marathon

Clear conditions throughout the day.

2025
clear-day
54°/74°-
8

2024 Pacific Northwest Marathon

Clear conditions throughout the day.

2024
clear-day
47°/72°-
8

2023 Pacific Northwest Marathon

Clear conditions throughout the day.

2023
clear-day
53°/82°-
8
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