Police say the 69-year-old Frederick was riding along a Lawrence street Thursday evening when he hit a pothole and was thrown over the handlebars and onto the road.
An experienced bicyclist who has competed in events, Frederick was been injured twice before in biking accidents, in 1994 and 1988.
Frederick served as the University of Kansas' athletic director from 1987 to 2001.
(Copyright 2009 by The Associated Press. All Rights Reserved.)
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