- Date
- Sunday, October 25, 2026
- Location
- Richland, WA 99352
- Distances
-
5K
Half Marathon
Marathon - Surface
- Road
Join us as we celebrate another exciting year of endurance, community, and achievement at the 43rd annual Tri-Cities Marathon! Runners of all levels are invited to take part in this long-standing tradition, bringing together athletes, families, and supporters from across the region for an unforgettable race day experience.
New for 2026
- The marathon course is returning to the previous route that includes the iconic Blue Bridge and is USATF Certified.
- And that’s not all — we’re thrilled to introduce the Tri-Cities Spooktacular 5K. If you’ve always wanted to run in this celebrated race but weren’t quite ready for the longer course, now’s your moment! Costumes welcome