A Rat Terrier, one of three new breeds, meets the press during an event at Madison Square Garden on Jan. 15, 2014 to promote the first-ever Masters Agility Championship at the 138th Annual Westminster Kennel Club Dog Show. (Photo TIMOTHY CLARY/AFP/Getty Images)
Westminster Dog Show Adds Mixed-Breed Competitors
A Poodle runs an obstacle course during a press event at Madison Square Garden January 15, 2014 to promote the first-ever Masters Agility Championship at the 138th Annual Westminster Kennel Club Dog Show. (Photo TIMOTHY CLARY/AFP/Getty Images)
Westminster Dog Show Adds Mixed-Breed Competitors
A mixed-breed runs an obstacle course during a press event at Madison Square Garden on Jan. 15, 2014 to promote the first-ever Masters Agility Championship at the 138th Annual Westminster Kennel Club Dog Show. (Photo TIMOTHY CLARY/AFP/Getty Images)
Westminster Dog Show Adds Mixed-Breed Competitors
A Chinook, one of three new breeds, meets the press during a press event at Madison Square Garden January 15, 2014 to promote the first-ever Masters Agility Championship at the 138th Annual Westminster Kennel Club Dog Show. (Photo TIMOTHY CLARY/AFP/Getty Images)
Westminster Dog Show Adds Mixed-Breed Competitors
A Papillon kisses United Press International photographer John Angelillo after he jumps a hurdle during a press event at Madison Square Garden January 15, 2014 to promote the first-ever Masters Agility Championship at the 138th Annual Westminster Kennel Club Dog Show. (Photo TIMOTHY CLARY/AFP/Getty Images)
Westminster Dog Show Adds Mixed-Breed Competitors
A Papillon runs an obstacle course during a press event at Madison Square Garden January 15, 2014 to promote the first-ever Masters Agility Championship at the 138th Annual Westminster Kennel Club Dog Show. (Photo TIMOTHY CLARY/AFP/Getty Images)
Westminster Dog Show Adds Mixed-Breed Competitors
A Poodle runs an obstacle course during a press event at Madison Square Garden on Jan. 15, 2014 to promote the first-ever Masters Agility Championship at the 138th Annual Westminster Kennel Club Dog Show. (Photo TIMOTHY CLARY/AFP/Getty Images)
Westminster Dog Show Adds Mixed-Breed Competitors
A pair of Chinook, one of three new breeds, meets the press during an event at Madison Square Garden on Jan. 15, 2014 to promote the first-ever Masters Agility Championship at the 138th Annual Westminster Kennel Club Dog Show. (Photo TIMOTHY CLARY/AFP/Getty Images)
