Detailed text transcripts for TV channel - CNN - 20180422:21:46:00
In water this cold, especially without a wet suit isn't without risks. >> you swim the same way you do in regular swimming, but you need to keep breathing, so when you get in cold water, you have to train to breathe very quickly. >> you need to remember it's mind over matter, you're not going to die, if you stay in too long, you can get hyper thermic, obviously, but the trick is not to do that. >> it's not as bad as i thought. >> reporter: over 400 swimmers compete in various short distance races. >> it's breaststroke and free style and then you have butterfly. in butterfly, it's special becau...
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