Athletics at the 2003 Pan American Games – Women's 400 metres hurdles
The final of the Women's 400 metres Hurdles event at the 2003 Pan American Games took place on Wednesday August 6, 2003, with the heats staged a day earlier. America's Joanna Hayes was the only woman to go under the 55-seconds barrier, clocking 54.77 in the final.Medalists
Records
Results
