The women's marathon event at the 2003 Pan American Games took place on Saturday, 9 August 2003. Brazil's Márcia Narloch won the title, defeating title defender Érika Olivera from Chile. Medalists Records Results See also Athletics at the 2003 Pan American Games – Men's marathon 2003 World Championships in Athletics – Women's Marathon Athletics at the 2004 Summer Olympics – Women's marathon References Results Marathon, Women's 2003 2003 in women's athletics Panamerican 2003 Panamerican Games