Athletics Pan American Games 2003 at Santo Domingo (dom) Women: 400 m Hurdles August 6: Final: 1. Joanna Hayes (usa) 54.77 2. Daimí Pernía (cub) 55.10 3. Andrea Blackett (bar) 55.24 4. Brenda Taylor (usa) 55.27 5. Yvonne Harrison (prc) 55.27 6. Allison Beckford (jam) 55.50 7. Debbie-Ann Parris (jam) 56.73 8. Lucimar Teodoro (bra) 57.56