Authorities have identified the athlete who died in the Ironman U.S. Championship in New York and New Jersey as a police officer from Hong Kong.
Andy Naylor appeared distressed during a 2.4-mile swim at the start of the all-day triathlon Saturday.
The 43-year-old was lifted from the Hudson River and received CPR before he was taken to a hospital.
The Bergen County Medical Examiner's Office
autopsy results are pending.
Contestants in the race followed their swim in the Hudson with a 112-mile bicycle ride through the suburbs, and then a 26.2-mile marathon that finished in Riverside Park.
Get the latest from NBC 4 New York anytime, anywhere. Follow us on Twitter, Facebook and Google+. Get our apps here and sign up for email newsletters here. Get breaking news delivered right to your phone -- just text NYBREAKING to 639710. For more info, text HELP. To end, text STOP. Message and data rates may apply.