She was at the
1998 World Aquatics Championships, in
Perth, where she finished 10th in the 4×200-metre freestyle, 13th in the 4×100-metre freestyle, and 41st in the 100-metre freestyle. She participated at the
1999 FINA World Swimming Championships (25 m), in
Hong Kong. Tatiana had a great debut in his first Pan, the
1999 Pan American Games in
Winnipeg, with three bronze medals in three relays (4×100-metre freestyle, 4×200-metre freestyle and 4×100-metre medley). She also finished 5th in the 100-metre freestyle, and 6th in the 50-metre freestyle. Participated in the
2000 FINA World Swimming Championships (25 m) in
Athens, where she finished 22nd in the 50-metre freestyle, 25th in the 100-metre freestyle, 9th in the 4×100-metre freestyle, and 9th in the 4×200-metre freestyle. She was at the
2002 FINA World Swimming Championships (25 m) in
Moscow, reaching the 4×100-metre freestyle final, being in 8th place. Also ranked 9th in the 4×200-metre freestyle. At the
2003 Pan American Games, in
Santo Domingo, she won another bronze in the 4×100-metre freestyle. At the
2003 World Aquatics Championships in
Barcelona, finished 14th in the 4×100-metre freestyle. Tatiana also entered the 4×100-metre freestyle relay in
2004 Summer Olympics, in
Athens. She was the second to jump into the pool on August 14 that year. The team, which had yet
Renata Burgos,
Rebeca Gusmão and
Flávia Delaroli, took 12th place in Olympic dispute. Tatiana was also in 19th place in the 100-metre freestyle. She also gets 6th place in the 4×200-metre freestyle. At the
2007 Pan American Games, in
Rio de Janeiro, Tatiana won the bronze in the 4×200-metre freestyle, along with
Monique Ferreira,
Manuella Lyrio and
Paula Baracho. She also won the silver medal in the 4×100-metre freestyle, along with
Flávia Delaroli,
Monique Ferreira and
Rebeca Gusmão However, later this medal was revoked due to
Rebeca Gusmão's doping. In May 2008, together with
Flávia Delaroli,
Monique Ferreira and
Michelle Lenhardt, got new South American record of the 4×100-metre freestyle relay with a time of 3:43.16. The swimmer was almost out of the group that went to the Olympics. Her vacancy came only with the exclusion of
Julyana Kury, caught in an doping exam. Participating in
2008 Summer Olympics in
Beijing,
China, Tatiana finished 10th in the 4×100-metre medley, and 13th in the 4×100-metre freestyle. 22nd in the 100-metre freestyle, and was in the 4×100-metre medley final, finishing in 8th place. She was at the
2010 Pan Pacific Swimming Championships in
Irvine, where she finished 6th in the 4×200-metre freestyle, 16th in the 50-metre freestyle, 21st in the 100-metre freestyle, and 23rd in the 200-metre freestyle. In the
Military World Games, conducted in 2010 in
Warendorf,
Germany, she won the gold medal in the 100-metre freestyle and the 4×100-metre freestyle, and silver in the 50-metre freestyle, 200-metre freestyle and 4×100-metre medley. Participating in the
2010 FINA World Swimming Championships (25 m), in
Dubai, came in 19th place in the 100-metre freestyle, 28th in the 200-metre freestyle was in the 4×100-metre freestyle final, finishing 8th and in the 4×100-metre medley, also finished 8th . At the
2011 World Aquatics Championships in
Shanghai, Tatiana got the 25th place in the 100-metre freestyle, 13th in the 4×100-metre freestyle, and 17th in the 4×100-metre medley. At the
2011 Pan American Games in
Guadalajara, Tatiana won silver in the 4×100-metre freestyle, in the 4×200-metre freestyle, and bronze in the 4×100-metre medley. At the
2012 FINA World Swimming Championships (25 m), in
Istanbul, she reached the 4×100-metre freestyle final, placing 6th. She ended her career in late 2013, at the Open tournament, held in
Porto Alegre,
Brazil. ==Records==