We cynically joke about how models eat and eat and never gain a pound, how their magic genes kick into high gear and leave them slender after things like big meals and giving birth.
But today, upon hearing the news that Christy Turlington will compete in the New York City Marathon, we must concede: some models actually do work out.
Agyness Deyn and Natalia Vodianova have already run marathons; Heidi Klum decided to pick up running this summer (and even brought Kim Kardashian along); and five Victoria's Secret Angels got their workouts in at a spinning event this summer.
Below we've assembled the photographic proof: those model bodies don't come without a bit of effort and a bit of sweat (well, maybe not sweat... they are paid to look gorgeous, after all). Take a look -- hit "Fullscreen" for big photos!