The previous record of 16minutes, 32 seconds was set this year in
"I feel great,"
"I actually started to doubt I was going to make it because I'd never done it with such a high heart rate."
His aides said during the event that his heart rate should have dropped far lower than it did.
"I feel happy ... a life-long dream," he told Winfrey on the set of her show.
He said he had hoped to reach 23 minutes.
"There's no enhancement, no cheating," he told Winfrey, adding that while he makes his living as a magician, his stunts are not about magic but about pushing the limits of the human body.