Dogs' incredible performance on surfboard

Deb Spoonhour takes her dog Kona out to the waves for heat 3 of the surfing competition of the Purina Incredible Dog Challenge in San Diego, California, in this Purina handout taken June 8, 2012. This canine sporting event features a variety of events including dog surfing, dog diving, freestyle flying disc, head-to-head weave poles, Jack Russell hurdle racing and agility. [Photo/Agencies]

Dawn Celapino gives her dog Jack, a seven-year-old Carin Terrier, a kiss before setting out in the surfing competition of the Purina Incredible Dog Challenge in San Diego, California, in this Purina handout taken June 8, 2012. This canine sporting event features a variety of events including dog surfing, dog diving, freestyle flying disc, head-to-head weave poles, Jack Russell hurdle racing and agility. [Photo/Agencies]