Athletics at the 1999 Pan American Games – Women's marathon

{{Infobox Pan American Games event

|event = Women's marathon

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|win_label = Winning time

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{{Athletics at the 1999 Pan American Games}}

The women's marathon event at the 1999 Pan American Games was held on July 25.[https://www.athletics.ca/files/Results/International/1999%20PAN%20AM%20FULL%20RESULTS.PDF Results] {{webarchive |url=https://web.archive.org/web/20141028071058/https://www.athletics.ca/files/Results/International/1999%20PAN%20AM%20FULL%20RESULTS.PDF |date=October 28, 2014 }}[http://atfs.org/wp-content/uploads/Pan-Am-Games-1999.pdf Full results]