Most dogs in costumed attire
Who
Nestle Purina Pet Care
Where
United States Saint Louis
When
The most dogs in costumed attire at a single location is 1,326 and was achieved by Nestle Purina Pet Care (USA) at the Beggin' Pet Parade in Saint Louis, Missouri, USA, on 12 February 2012. The record was set at the 19th annual pet parade.