The final of the Men'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. Dominican Republic's Félix Sánchez set a new Pan American Games record in the final, clocking 48.19 seconds. Medalists Records Results Notes See also 2003 World Championships in Athletics – Men's 400 metres hurdles Athletics at the 2004 Summer Olympics – Men's 400 metre hurdles References Results Hurdles, Men's 400 2003