Castle Rock Ducky Derby

The Castle Rock Rotary Club's annual Ducky Derby fundraiser at Festival Park in downtown Castle Rock. 10,000 numbered rubber duckies released into Plum Creek for a half-mile race, with cash prizes for the winning duck adopters. Pairs with the Castle Rock Farmers Market the same morning at Festival Park. Family activities: face painting, balloon animals from the resident clown, carnival games, inflatable house. Tickets via Square — $10 for 1 duck adoption, $20 for 3. All proceeds support the Castle Rock Rotary Foundation and local nonprofits.