24Oct
Marathon
Running
- Distance
- 42.2K
- Start time
- 08:00
- Entry fee
- $90.00
Tri-Cities Marathon
Richland,
Washington,
United States
350 days left
runsignup.com
Date
24 Oct, 2027
Races
4 distances
Entry fee
$25.00 – $180.00
Runner rating
Be the first to rate
Website
Official website
Tri-Cities Marathon
About the event
Thank You for an Incredible 2026!
The 2026 Tri-Cities Marathon & Relay is officially in the books, and we want to extend a massive thank you to all of our amazing runners, volunteers, sponsors, and community partners who made this year unforgettable.
While we are still celebrating this year's success, our team is already hard at work planning our upcoming events—including the upcoming Richland RunFest on February 27, 2027! Registration and event details will be opening soon for next year's marathon, so stay tuned and check back here for updates.
Results for 2026:
Races offered
24Oct
Marathon Relay
Running
- Distance
- 42.2K
- Start time
- 08:00
- Entry fee
- $180.00
24Oct
Half Marathon
Running
- Distance
- 21.1K
- Start time
- 09:00
- Entry fee
- $65.00
24Oct
5K
Running
- Distance
- 5K
- Start time
- 09:30
- Entry fee
- $25.00
Weather history
3-year monthly averages for October in Richland.
Temperature7.2° / 18.6°
Feels like4.6° / 15.8°
Sunshine hours8h 39m
Rainfall0.8 mm
Snowfall—
Wind7.7 km/h (Light breeze)
Humidity60.5%
Max UV indexLow (2.8)
Sweat lossLow
Course conditionsFirm and slightly soft
Sunrise07:16
Sunset18:08
About Richland
Learn more about the host city, Richland.
Richland is a city of 51,000 people (2020) in the Columbia River Plateau, where the Yakima River flows into the Columbia. It is the closest city to the Hanford Nuclear Site, where development of its historic nuclear reactor lead to a large national research lab and a waste remediation effort that is the single largest construction project in the country.
Read moreHotels & places to stay
Things to do nearby
Tours and activities near Richland, powered by Viator.
Video
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