Run the River Marathon

Kennewick, WA, USA · April 17, 2027·
partly-cloudy-day43°·59° high·Light·Dry
10
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Race Day Weather

partly-cloudy-day
43°at start
67° high
Light
Dry
Your goal
0:00:00

Cool start, gradual warm-up

Runners will face a start-line temperature of 43°F, rising to 59°F by the finish. Wind will be light from the SW, with headwinds in Mile 1 and again in Mile 23, while tailwinds will aid runners from Miles 7 to 14. Given the cool temperatures, participants should maintain a consistent pace early and stay hydrated, especially as they warm up through the latter stages.

Race day forecast available in 154 days
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Pace Calculator

26.2mi
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Race Plan

Get your personalized Run the River 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

Run the River includes a marathon, half marathon, 5K, marathon relay and kids marathon in Kennewick, Washington. The course runs along the Columbia River through Kennewick, Richland and Pasco on paved paths and roads, with start and finish at Columbia Park. The marathon and half marathon courses are USATF certified, and the marathon qualifies for the Boston Marathon. Source

Race weekend

Friday, April 16
6:00 PMKids Marathon (1.2 mi)
Saturday, April 17
7:30 AMMarathon (26.2 mi)
8:30 AMHalf Marathon (13.1 mi)8:45 AM5K (3.1 mi)

FAQ

When is the 2027 Run the River Marathon?

The 2027 Run the River Marathon will be held on Saturday April 17, 2027.

Is the Run the River Marathon a Boston Marathon Qualifier?

Yes, the Run the River Marathon is an official Boston Marathon qualifier.

What is the time limit for the Run the River Marathon?

The time limit for the Run the River Marathon is 6.5 hours.

What will the weather be like for the 2027 Run the River Marathon?

The forecast calls for a high of 69°F and a low of 44°F with a 3% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 4 years of data
Avg Temp
49°F
L:42° H:55°
RunScore
10
Conditions
Rain Freq
25%
1 of 4 yrs
Wind7mph
Dew35°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-day
35°/51°-
10
2025
partly-cloudy-day
47°/55°Light
10
2024
clear-day
38°/57°-
10
2023
partly-cloudy-day
47°/55°-
10