A resident of Coral Springs, Florida, she twice won the bronze medal with the women's relay team in the 4×100-metre medley at the Pan American Games (1995 and 1999).

[2] Molina participated in the 1995 FINA World Swimming Championships (25 m) in Rio de Janeiro.

[20] At the 2009 World Aquatics Championships in Rome, she went to the 50-metre backstroke final, and finished in eighth place.

[3] Participating in the 2010 FINA World Swimming Championships (25 m) in Dubai, Molina reached the 50-metre backstroke final, finishing 8th.

[24] She was also a finalist in the 4×100-metre medley, finishing 8th [25] and breaking the South American record, with a time of 3:59.45.;[3] and placed 11th in the 100-metre backstroke.

[29] At the 2006 Pan Pacific Swimming Championships in Victoria, Molina finished 14th in the 100-metre butterfly [30] and 22nd in the 100-metre backstroke.

[36] At the 1995 Pan American Games in Mar del Plata, Molina won two bronze medals, in the 100-metre backstroke and in the 4×100-metre medley.

[41] She also won bronze in the 4×100-metre medley, but the result was annulled due to Rebeca Gusmão's doping, who participated in the relay.

Already 36 years old, she went to the 2011 Pan American Games in Guadalajara, where she won a bronze medal in the 4×100-metre medley, and ranked 4th place in the 100-metre backstroke.