Today is the 50th Anniversary of Jim Ryun becoming the first high schooler to break 4 minutes in the mile. And it really has not been done very often since then. Jim is one of my all-time favorites.
http://www.kansas.com/2014/06/04/3492551/jim-ryun-reflects-upon-50th-anniversary.html
http://www.kansas.com/2014/06/04/3492551/jim-ryun-reflects-upon-50th-anniversary.html
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