America's Top Dog is a TV series that comes on the A&E network. This TV series holds K-9 competitions. It is where K-9 cops and their K-9 dogs go through an obstacle course together. These certain obstacle courses are carefully designed by experts that try to make real life scenarios to test the K-9's on their speed and ability to smell. The K-9 that gets the best speed wins.
https://www.youtube.com/watch?v=E_CBelGB9PI