Eyes ablaze with focus, the black-and-white dog heeds the start cue from her handler. She makes a jump, sprints up an A-frame, darts into a tunnel, shimmies through the weaves like a slalom skier, ...

Quincy stood on a ramp in the agility ring, his tail wagging nonstop and his gaze trained on his owner, Sharon Bouman. “See what I mean about our relationship?” Bouman said, pointing to the happy ...

Before every dog agility event, the human handlers walk the course as a group – without the dogs – wandering slowly round the ring with one hand or the other outstretched. It’s an eerie thing to watch ...