Randy Butler, an instructor with Catoctin Kennel Club, started agility training with his English springer spaniel Emmy when she was a puppy and got "addicted in the best way." Butler and about six ...

Dogs of all ages and sizes need exercise. Without this physical stimulation, they will not live a happy life. However, finding the time to walk or run your dog as much as you would like can be tricky.

Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." Agility training is ...