Adults and kids alike try their luck at fishing. PHOTO/JOHN CARDILLO

Derby participants pose with a fish. PHOTO/JOHN CARDILLO

Volunteers keep a tally of everyone’s catches. PHOTO/JOHN CARDILLO

Zach Handrahan assists Addison Handrahan with her fishing rod. PHOTO/JOHN CARDILLO

Select Board member Shahidul Mannan (center) and wife Nasiba (far left) pose with members of the Hopkinton Police Department and organizers. PHOTO/JOHN CARDILLO

A volunteer cooks up hamburgers. PHOTO/JOHN CARDILLO

Emergency dispatcher Robert Savolt (left) and HPD Chief Joseph Bennett hang out with an in-training service dog. PHOTO/JOHN CARDILLO

A participant measures a catch with the help of a volunteer. PHOTO/JOHN CARDILLO

Derby winners pose with their trophies. PHOTO/JOHN CARDILLO