STILLWATER, Okla. (AP) ââ?¬â? A team from the University of Wisconsin-Madison won the National Concrete Canoe Competition for the fourth straight time Saturday. Wisconsinââ?¬â?¢s 21-foot-long, 162-pound natural gray canoe, named ââ?¬Ë?ââ?¬Ë?Forward,ââ?¬â?¢Ã¢â?¬â?¢ bested 22 other entries from engineering schools in the U.S. and Canada.