Run the River Marathon
Race Day Weather
Cool start, warming trend
Runners will face a cool start at 35°F, gradually rising to 65°F by the finish. Winds from the S at 7 mph will provide a light tailwind throughout. With humidity at 59% and a dew point of 34°F, conditions are favorable, allowing for a strong race pace without hydration concerns.
Pace Calculator
Get forecast alerts for Run the River Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Race Info
The Run the River event includes various distances ranging from a 5k to a full marathon. This road race features a scenic course that travels through the towns of Kennewick, Richland, and Pasco all while staying next to the mighty Columbia River. The start/finish line is located next to the river in Columbia Park.
The course follow paved paths and roadways the entire time and offers participants with great views of beautifully landscaped parks, the meandering Columbia River, as well as the rugged surrounding mountains. The flat courses and cool spring weather will provide runners with a prime opportunity for a fast finish time if that is their goal. Likewise, the course lends itself well to runners of all abilities as well as walkers... which tend to have the best time out there! Source