Zombie Dash
Kennewick Parks & Recreation’s Halloween-morning fun run at Highlands Grange Park.
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Día de los Muertos Fun Run
5K, 10K and kids’ runs from historic downtown Pasco with a mariachi send-off, face and sugar-skull painting, and Ballet Folklórico. The 10K crosses the cable bridge to Clover Island. Proceeds fund scholarships.
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Catch the Crush at Airfield Estates
Harvest day at a Prosser estate winery with a 5K vineyard run in the morning and a grape stomp in the afternoon.
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Tri-Cities Water Lantern Festival
Decorate a lantern with a message or memory, then launch it on the Columbia Park pond at dusk. Food trucks and music before the launch.
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Middleton Farms Fall Festival
Pumpkin patch, giant corn maze, food and fall attractions on a working farm just outside downtown Pasco. Open Wednesday–Sunday through November 1.
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RiverFest 2026
A free, hands-on family festival about the Columbia and Snake river system: navigation, irrigation, recreation and hydropower, with exhibitors, vendors and entertainment.