The best gym ever? Fit Nation in Hawaii

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Fit Nation Tri Challenge Team is in Hawaii this week to train

"Lucky 7" will bike, run and swim to prepare for the Nautica Malibu Triathlon

CNN  — 

The 2012 Fit Nation Tri Challenge Team is made up of seven CNN viewers selected to train for the Nautica Malibu Triathlon with Dr. Sanjay Gupta in September. For updates, visit the Fit Nation page, follow the team on Twitter, or like our page on Facebook.

Check back with us this weekend for more photos.