 By now known to the world as "Flo-Jo", Griffith-Joyner was the big favorite for the titles in the sprint events at the 1988 Summer Olympics.In the 100-meter final, she ran a 10.54, beating her nearest rival, Evelyn Ashford, by 0.30 seconds.In the 200 meter semifinal, she set the world record of 21.56 seconds and then broke this record, winning the final by 0.22 seconds with a time of 21.34 seconds.