Richland, WA
Sunday, October 25, 2026




4 Stars from 4 ReviewsSee what splits you need to run for hundreds of different marathons - adjusted for the specific terrain of each marathon, your goal time and pacing strategies.
Race Dates
2026: Sunday, October 25, 2026Course Information
Profile: Mostly FlatRace Day Weather
Mean Temp.: 44°F (6°C)PR Score & Course Score
PR Score: Request ScoreRace Size
2025: 96 FinishersBQ Percentages
2025: N/AMiscellaneous Information
Pace Groups?: No
Race Day Temperatures |
High: 60°F (16°C) |
Race Start Conditions |
42°F (6°C) |
PR Score |
110.23 |
Course Score |
110.3 |
The Tri-Cities Marathon was the 380th largest marathon in the U.S. in 2025 based on the number of finishers. In 2024, it ranked as the 467th largest marathon in the U.S..
There are currently no Course or PR Scores for the Tri-Cities Marathon. If you would like scores calculated, send a request here.
Learn more about PR Scores and Course Scores on the FAQ page.
No course elevation available at this time.
View available accomodations around the Tri-Cities Marathon Finish Line and Course. Book your Reservation now before the best places are sold out.
For a better mobile or desktop experience:
Use tools below to compare races and convert times across courses.
Do you want to see how the Tri-Cities Marathon stacks up against other marathons?
Compare the details of the Tri-Cities Marathon side-by-side with other marathons with our Comparison Tool.
If you ran the Tri-Cities Marathon in 4:34:00, what would your time in other marathons be?
See how your finish time would compare on other marathon courses with our Time Conversion Tool.




Well organized small race
Full Review:
Race Tips:
Travel/Logistics Tips:




Tolerable, but in decline...
Full Review:
Travel/Logistics Tips:




Full Review:
Race Tips:




Full Review:
Race Tips:
Travel/Logistics Tips: