 At the same Olympic trials Griffith-Joyner also set an American record at the 200-meter distance with a time of 21.77 seconds.Following the Olympic trials, in late July 1988, Griffith-Joyner left coach Kersee saying she wanted a coach able to provide more personal attention.Another contributing factor was Griffith-Joyner's unhappiness with the lack of sponsorship and endorsement opportunities.