Tri-Cities Cancer Center and the Lourdes Foundation are sponsoring a "Fill the Cups" charity ride.
At 10:30 a.m. Saturday, Rattlesnake Mountain Harley-Davidson and the RideNow Powersports will ride from 3305 W. 19th Ave., Kennewick, to Tony Roma's.
To register for the ride, go to rattlesnakemountainhog.com.
Starting at 12:30 p.m. at Tony Roma's, 8551 W. Gage Blvd., Kennewick, there will be drawings, door prizes, activities, live music and food and beverages.
Proceeds will benefit the center at the foundation's free mammogram program for uninsured women in the community.