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Tri-Cities Marathon
Richland, Washington · Sunday, October 25, 2026 · Marathon, Half Marathon, 5K
Official race page & registration ↗Tri-Cities Marathon takes place on Sunday, October 25, 2026 in Richland, Washington. The race offers 3 distances: Marathon, Half Marathon, 5K. For anyone travelling in, Tri-Cities is about 5 miles away.
It is one of 107 races on the Washington calendar that October. At $25, entry sits below the $35 median for a Washington marathon.
- Date
- Sunday, October 25, 2026
- Location
- Richland, Washington
- Distances
- Marathon, Half Marathon, 5K
- Entry fee
- from $25
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Richland: check in Oct 24, out Oct 26.
Common questions
When is Tri-Cities Marathon?
Tri-Cities Marathon is scheduled for Sunday, October 25, 2026.
Where is Tri-Cities Marathon held?
Tri-Cities Marathon is held in Richland, Washington. It is about 5 miles from Tri-Cities.
What distances does Tri-Cities Marathon offer?
The listed distances are Marathon, Half Marathon, 5K.
How much does Tri-Cities Marathon cost?
Entry is listed from $25. Check the official race page for the current price, which usually rises closer to race day.
How do I register for Tri-Cities Marathon?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Oct 24Chamna ChaseRichland, WA
- Oct 24MCCM Monster Mash 5k & Creature Crawl 1kRichland, WA
- Oct 25Captain Jack's Treasure RunRedmond, WA
- Oct 25Run ScaredSeattle, WA
- Oct 25Snoqualmie Valley Harvest RunSnoqualmie, WA
See every race on the Washington calendar, all Richland races, Washington Marathons, Washington Half Marathons, or use the Race Finder for maps and filters.