Stacy Mantooth was an avid fan of the sport of running before joining CNN 's Fit Nation . I had volunteered at a few races , helping athletes navigate the courses , and I even witnessed newly crowned world champions crossing the finish line . He 's training for his first marathon and has learned a lot about the do 's and don'ts . He is sharing his experiences with family and friends who are training with him .
Stacy Mantooth was an avid fan of the sport of running before joining CNN 's Fit Nation . He 's training for his first marathon and has learned a lot about the do 's and don'ts . He is sharing his experiences with family and friends who are training with him .