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Fit Nation: Lucky 7

Seven CNN viewers just like you were selected to join the 2012 Fit Nation team to train for the Nautica Malibu Triathlon with Dr. Sanjay Gupta. Click on a participant's photo to learn more.

Photo of Dr. Gupta: Andrew Eccles/CNN. All other photos: Jeremy Freeman/CNN. Multimedia development by Sean O'Key/CNN.