january. uncomfortable in the water, not having been on a bike in almost 20 years, unable to run. now four months later, she's a new woman. with the help of coaches and her sassy six teammates she conquered four swims in the pacific ocean, rode 45 miles on a buying and jogged 7 miles. >> we started from zero and made it work. >> reporter: down 35 pounds already, looking forward race day. and also beyond. >> i'm really excited when the cameras turn tuf have the next finish tlin try to cross and work for. it's better time or a little longer distance, there's always a next something. >> dr. sanjay gupta, cnn, california.