Run the River 5K

Kennewick, WA, USA · April 17, 2027·
partly-cloudy-day53°·53° high·Light·Dry
10
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Run the River 5K race day weather

partly-cloudy-day
53°at start
67° high
Light
Dry
Your goal
0:00:00

Comfortable temps, warming through the race

Mild 53°F temps at gun time mean comfortable early miles without overheating risk. Temperatures rising to 67°F through the course will gradually increase perceived effort in the second half. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 141 days
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Pace Calculator

3.1mi
0:00:00
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Race Plan

Get your personalized Run the River 5K 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

About the Run the River 5K

The Run the River 5K is a USATF-certified, flat out-and-back course along the Columbia River on the Saturday of race weekend. It starts and finishes next to the river in Columbia Park in Kennewick and uses the same paved paths as the longer distances, with the turnaround at the halfway point.

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)

Run the River 5K FAQ

When is the 2027 Run the River 5K?

The 2027 Run the River 5K will be held on Saturday April 17, 2027.

What is the time limit for the Run the River 5K?

The time limit for the Run the River 5K is 5.25 hours.

What will the weather be like for the 2027 Run the River 5K?

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 5K race plan.

What is the weather usually like for the Run the River 5K?

Over the 4 years racecast.io has race-day weather for (2023 to 2026), it averaged 46°F at the start and 50°F by a typical finish. It has not rained during race hours in any of those years.

What was the hottest Run the River 5K?

Of the 4 years on record, 2025 was the warmest, reaching 54°F during race hours. The coldest start was 2026, at 39°F.

What was the windiest Run the River 5K?

Of the 4 years on record, 2023 was the windiest, with wind averaging 10 mph during race hours. The calmest was 2026, at 3 mph.

Run the River 5K weather history

Based on 4 years of data
Avg Temp
48°F
L:46° H:50°
RunScore
10
Conditions
Rain Freq
0%
0 of 4 yrs
Wind7mph
Dew34°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-day
39°/44°-
10
2025
cloudy
52°/54°-
10
2024
clear-day
46°/50°-
10
2023
cloudy
48°/52°-
10