The 2026 Pacific Northwest Marathon has concluded.Share your finish

Pacific Northwest Marathon

Race complete
Harrisburg, OR, USA · September 19, 2026
cloudy52°·55° high·Light·Dry
8
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Race Day Weather

cloudy
52°at start
63° high
Light
Dry
Your goal
0:00:00

Cool temps, humid conditions

Runners will face a steady temperature rise from 52°F at the start to a peak of 60°F. With humidity levels at 94% and a gentle 6 mph wind from the SE, pacing adjustments are crucial. It's advisable to start conservatively to combat the humidity and ensure adequate hydration throughout the race.

cloudy10
fog9
fog9
cloudy9
cloudy8
cloudy8
cloudy8
cloudy8
cloudy7
partly-cloudy-day6
partly-cloudy-day6

Pace Calculator

26.2mi
0:00:00
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Race Plan

Get your personalized Pacific Northwest Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

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.

Race weekend

Saturday, September 19
7:00 AMMarathon (26.2 mi)
Half Marathon (13.1 mi)
10K (6.2 mi)
5K (3.1 mi)

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 69°F and a low of 49°F with a 0% chance of rain.

Historical Weather

Based on 4 years of data
Avg Temp
57°F
L:50° H:65°
RunScore
8
Conditions
Rain Freq
0%
0 of 4 yrs
Wind5mph
Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
clear-day
54°/64°-
7
2024
clear-day
47°/63°-
8
2023
clear-day
53°/71°-
7
2022
partly-cloudy-day
45°/60°-
8