and nine times US Singles Champion Maribel Vinson-Owen , was her coach .
The 1985 race was spectacular with Steve Jones breaking his own course record ( 2 seconds short of the world record ) and Joan Benoit Samuelson the 1984 Olympic Champion , two-time defending Chicago Marathon Champion and Olympic Bronzeolympics.olympic_medal_honor, Rosa Mota and the fourth place Olympic finisher and world record setting Ingrid Kristiansen .
However disaster struck in the semifinals against 2004 Athens Bronzeolympics.olympic_medal_honorKenji Inoue , when in the first move of the match , an arm-whip takedown by Inoue , Yamamoto dislocated his right elbow , and was consequently prone for the easy pinfall .