|Competitor for Spain|
Gallardo represented Spain at the 2004 Summer Olympics. She placed 24th in the women's individual ranking round with a 72-arrow score of 641. In the first round of elimination, she faced 41st-ranked Khatuna Narimanidze of Georgia. Gallardo defeated Narimanidze 148-132 in the 18-arrow match to advance to the round of 32. In that round, she faced 56th-ranked Jasmin Figueroa of the Philippines. Gallardo won the match 152-150 in the regulation 18 arrows, advancing to the round of 16. She then lost to 8th-ranked Evangelia Psarra of Greece 160-152, finishing 13th in women's individual archery.
- "Women's individual archery results". BBC PRODUCTS AND SERVICES – bbc.co.uk. 2004-08-13. Retrieved 2009-01-26.