Sadie leaps for the "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media

Cindy Fredley watches as Sadie leaps for the "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media

Water sprays as dogs, their owners and spectators gather for "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media

Children line up by the water as they watch the "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media

Mayor Terry Weppler looks down at one of the jumping dogs after throwing out the ceremonial first ball at the "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media

Children line up by the water as they watch the "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media

Petey leaps in "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media

Cody makes a splash at the "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media

Mayor Terry Weppler looks down at one of the jumping dogs after throwing out the ceremonial first ball at the "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media

Clay Lyon tells Gucci it's alright as he tries to coax his dog into takeing the leap at the "Libertyville's Big Air Dog" at the 2012 Dog Days of Summer. on Friday, July 6, 2012. | Dan Luedert~Sun-Times Media