A running shoe takes the place of a frog as Diadora America dissects its new Mythos 300. Attributes are labeled as if they were key organs in the print ad from Hammerquist & Halverson, Seattle. "Runners are scientists," reasoned agency Executive Creative Director Fred Hammerquist. "They take every little arch and cushion into consideration." Copywriter: Cal McAllister. Art director: Paul Stechschulte.