User blog comment:TheDoctor230/How Would You Like To See These Show's End/@comment-34179759-20180105005101/@comment-34179759-20180106032343

Barry vanishes in 2000 and we never see him again so he's dead or else Iris would know and not write an article on it.

By the way, Barry ran to 2024 before that event in season 3, not 2053.