Tri-Cities Marathon
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Tri-Cities Marathon
The Tri-Cities Marathon is the 43rd annual running event held in Richland, Washington on October 25, 2026. The event uses the Riverfront Hotel at 50 Comstock St as its listed address and features multiple distance options for participants.
The marathon course is returning to its previous route that includes the Blue Bridge and is USATF certified. Event types include a full marathon, a marathon relay, a half marathon, and a newly introduced 5K called the Tri-Cities Spooktacular, for which costumes are welcome.
Distances offered:
- Marathon - 26.2 Miles
- Marathon Relay - 26.2 Miles
- Half Marathon - 13.1 Miles
- Tri-Cities Spooktacular 5K - 3.1 Miles
Registration details and fees are provided for each event. The marathon, marathon relay, and half marathon have registration opening October 31, 2025 and closing January 1, 2026, with fees of $70 for the marathon, $140 for the relay, and $55 for the half marathon. The 5K has registration opening June 1, 2026 and closing August 1, 2026, with a fee of $25.
The description above states event format, course certification, distances, registration windows, and fees. Visit the organization's website for the most recent information.
