i'm in california to race the nautica malibu triathlon, along with seven cnn viewers. they have been training all year long, right along with me. i can tell you that the sport of triathlon is growing, in fact the number has increased ten-fold in the last ten years. one of the all-time greats will be along to share tips about keeping your head in the game. they will explain something you will love. how anyone can get more fit, lose more weight, while in fact working out less. before we get to all of that, there is a big story we have been following along for sometime out of new york. you may have heard about this. mayor michael bloomberg launched the crusade to ban sugary drinks, including sodas in city restaurants and delis. and thursday, he got what he wanted on the large drink, 16 ounces or more. i spoke with mayor bloomberg earlier from new york. all right, mr. mayor, thank you so much for joining us. i wondered, a lot of people are talking about what is happening in new york city obviously. i wonder if you could sort of take me back to the beginning for you. when d

i'm in california, the race of the malibu triathlon along with seven cnn viewers. they've been training right along with me. i will tell you the sport of triathlon is growing and growing fast. in fact, the number of people racing in triathlons has increased ten-fold in the last decade. one of the all-time greats is going to be along to share tips about keeping your head in the game. >>> also i'm going to explain something everyone will love, how people can get more fit, lose more weight without working out less. >>> there's a story we've been following for a long time in new york. you may have heard about this. mayor michael bloomberg launched a crusade to ban large sodas in restaurants and delis. he got what he wanted this week. a ban of the drink larger than 16 ounces. i spoke with mayor bloomberg earlier from new york. mr. mayor, thanks so much for joining us. i wondered. a lot of people have been talking about what's happening in new york city obviously. i wonder if you could sort of take me back to the beginning for your you. when did this become something tha

last december we put out a call to all viewers to join training for and racing for the nautical malibu triathloned it the lucky seven, and for all that work and anticipation it was finally time for the big race. ♪ ♪ >> sanjay. >> take your time. >> you got this, buddy. you got this. >> feel like i'm a kid, man. >> what's up, girl? ♪ >> how was the bike? >> it was good. awesome. lost my chain about halfway, but other than that, no problem. >> my goal is to make it to the halfway point of the run. >> almost. almost. >> how you feeling, man? >> feeling good. >> awesome. it's awesome. it's great. >> right around the corner. >> allison decker. >> whoa. >> i didn't stop. that was my goal. i didn't crash. >> one step at a time. that's all it takes. >> mobile the most difficult thing i've done since leaving the military. >> this is the new me, and i love you, brother. love you so much. god bless you guys. >> this is incredible. i would say -- i am just crazy enough to be looking forward to the next one. >> we had one other member of the team that you dent see in the video. the astronaut sunny williams.

good thing for him, he is taking on the nautica malibu triathlon.aking up bright and early in the morning, but before he does that, he is taking dr. gupta live, in malibu. so what is coming up in your show? >> well, it is all health and fitness related. one thing we're going to do is talk to mayor bloomberg in new york city. people may have heard of this, but the idea of banning the soda and sugary drinks that are larger than 16 ounces, it is controversial, passing in march. we'll talk about that, and also very -- we call them the lucky seven, they are people who didn't dare dream of doing a triathlon, even a year ago. well, they will all join me tomorrow, it has been a transforming year for them. can't wait to meet them. also, a friend, five years ago, he was 50 pounds overweight. a couple of years ago he was one of the 25 fittest men in the world. what can we all learn from him? we'll have more on that in the show. >> oh, my goodness, we'll learn from all of you, the magnificent eight -- >> the great eight. >> there you go, i like it. well, good l

. >> sunnyci g particate in the malibu triathlon from space. >> oh! how's she going to do that? >> she's going to do it by simulating the different events. first, the swim. >> i didn't know the iss had a pool. >> it does not have the a pool, nick, as you can imagine. instead, sunny is doing this workout routine that utilizes the same muscles she would use in the swim. she does this for the equivalent of the amount of time that it would take for her to swim a half a mile. >> at this point, she's transitioning to the bike event. they going to bike for 18 miles on this floating bicycle. >> you know, the exercise, astronautses have to exercise. this is perfect for her. >> and they have these machines there for the astronauts to work out on every single day for exactly that reason. >> that bike looks like it's made up out of old pc parts. >> then straps herself to a treadmill. >> and run as four-mile track. >> with he calculations did it in 1 hour, 48 minutes and 43 seconds. >> is she just doing this for fun? >> she was actually competing in the triathlon. >> and got her bib number h

of triathlons i, denise, the rest of our fit nation triathlon team will be racing the nautica malibu triathlonwe've been talking about this for sometime. it is now next weekend. i think we're ready. join us live from california. we'll be there before the race right here on cnn. >>> chasing life today is about giving yourself a digital detox. first off a couple questions. do you spend a lot of time using your mobile phone? do you constantly check for calls or texts or e-mails? if so, there is a good chance you might suffer from something known as phantom vibration syndrome. stick with me here. this is real. it has a name. when you think your phone is vibrating with a new alert when it actually isn't, that's what you're experiencing. one study says this happens to 70% of those who use mobile phones. it's a sign as you might guess that you're simply too plugged in. before you shrug it off, there is a good chance those devices are also making it harder to sleep at night as well. they keep your brain stimulated even as your body is trying to shut down. so

next sunday she's doing this malibu nautical triathlon with me and everybody else.ing story. >> unbelievable. i've seen it but i still can't believe people can swim a mile with one leg. really remarkable. sanjay, thank you. i appreciate it. >> thanks. >> just because i almost forgot your segment was next how about a plug for your show? >> love it. >> here we go. ready? join sanjay gupta md 4:30 p.m. eastern on saturday and 7:30 a.m. on sunday. you know how i know that? >> because watch it. >> every weekend. >> best plug ever. >> biggest fan. yeah. thank you. take a look at this week. he is going to have a great story about the dangers of texting and driving. i am so glad you're doing this because i have to admit i looked down every so often and i've been hearing your stats. >> save lives out there so we can get this message across. >> we will all watch this weekend. you have yourself a good weekend sir. >> you too. >> thank. hmm, it says here that cheerios helps lower cholesterol as part of a heart healthy diet. that's true. ...but you still have to go to the gym. ♪

triathlon, a tough test of strent and endurance. and dr. sanjay gupta's next challenge as he explored the human factor of getting and staying fit, he's joining us live from malibuthe big nautica triathlon. so picturesque out there. sanjay joining us now. this is finally getting under way joining us n now, this is finally getting under way after how many months of training with you and the lucky seven? >> well, you know, we started really officially in january, so it has been about eight and a half months or so. and a lot of this, fredricka is sort of practicing what we preach. we talk about fitness and what is happening with obesity in the country, quite a bit. with the stories, called the lucky seven, we show viewers what is happening and what people can do about it. it has been a wonderful nine months, i can speak for everybody, who has been transformed by what happened to them. >> wow, transformed in a big way, they all had huge responsibilities, work, children, just taking care of themselves, et cetera. how did many of them profess to be able to find time to train and be ready for tomorrow? >> yeah, and i should point out, as well, none of them had done a t