Her first international competition was the 1997 Bolivarian Games in Arequipa, Peru, where she won a silver medal, earning her a spot at the 1997 South American Olympic shooting tournament in Buenos Aires, Argentina.
In 1998 Maria Gabriela Franco won a silver medal at the 1998 Central American Games in Maracaibo, Venezuela, solidifying her international presence and her position as a member of the Venezuelan National Olympic Shooting Team.
She won a silver medal at the 1999 Pan-American Games in Winnipeg, Canada, making her the first Venezuelan female shooter to earn an Olympic spot.
She tied for 37th place in the women's 25 metre pistol event and tied for 39th place in the women's 10 metre air pistol event at the 2000 Summer Olympics.
This biographical article relating to sport shooting in Venezuela is a stub.