 Complete the following phrase:  Competing as Kim McKenzie, she won the 100m hurdles at the US Championships in June 1988, edging Benita Fitzgerald-Brown 12.84 to 12.85. A month later, she finished fifth in the 100m hurdles final at the US Olympic trials in 13.01 seconds. She finished fourth in the 60m hurdles final at the 1989 IAAF World Indoor Championships in 7.92 secs, and seventh in the final at the 