Stacy Mantooth was an avid fan of the sport of triathlon before joining CNN 's Fit Nation . She is now a fitness instructor and has been featured on CNN's The Biggest Loser, Dr. Oz, Good Morning America, Today Show with Kathie Lee Gifford and more. To make my personal journey even more exciting , my girlfriend and a few of my closest friends have committed to taking a similar journey with me . Mantooth is sharing his knowledge with family and friends who are training with him .
Stacy Mantooth was an avid fan of the sport of triathlon before joining CNN 's Fit Nation . She is now a fitness instructor and has been featured on CNN's The Biggest Loser, Dr. Oz, Good Morning America, Today Show with Kathie Lee Gifford and more. Mantooth is sharing his knowledge with family and friends who are training with him .