Larissa Oliveira

2012–16

At the 2012 FINA World Swimming Championships (25 m) in Istanbul, she finished 6th in the 4×100-metre freestyle final, 10th in the 4×100-metre medley, 12th in the 100-metre freestyle semifinal, and 38th in the 200-metre freestyle. Oliveira broke the South American record in the 4×100-metre medley, with a time of 3:57.66, along with Fabíola Molina, Daynara de Paula and Beatriz Travalon.

She classified to swim at three proofs in the 2013 World Aquatics Championships in Barcelona. In the 4×100-metre freestyle, she broke the South American record, with a time of 3:41.05, along with Daynara de Paula, Graciele Herrmann and Alessandra Marchioro. The Brazilian team finished in 11th place, and did not advance to the final. She also finished 10th in the 4×200-metre freestyle, along with Jéssica Cavalheiro, Carolina Bilich and Manuella Lyrio, and 12th in the 4×100-metre medley, along with Etiene Medeiros, Beatriz Travalon and Daynara de Paula.

On September 3, 2014, participating in the José Finkel Trophy (short course competition) in Guaratinguetá, she broke the South American record in the 4x200-metre freestyle with a time of 7:58.54, along with Gabrielle Roncatto, Aline Rodrigues and Daniele de Jesus. On 6 september, she broke the South American record in the 100-metre freestyle with a time of 52.88.

At the 2014 FINA World Swimming Championships (25 m) in Doha, Qatar, Oliveira won her first medal by winning gold in the 4 × 50 metre mixed medley relay, along with Nicholas Santos, Etiene Medeiros and Felipe França Silva, breaking the South American record with a time of 1:37.26, only 0.09 seconds from beating USA's world record (1:37.17). Her second medal was a bronze in the 4 × 50 metre mixed freestyle relay (formed by Oliveira, João de Lucca, Etiene Medeiros and César Cielo), where Brazil broke the South American record with a time of 1:29.17, only 4 hundredths of Russia , which won the silver medal. Oliveira also participated in other finals: she finished 5th in the Women's 4 × 50 metre medley relay (1:46.47, South American record) along with Etiene Medeiros, Ana Carla Carvalho and Daynara de Paula; and finished 7th in the Women's 4 × 100 metre freestyle relay (3:33.93, South American record), and 8th in the Women's 4 × 50 metre freestyle relay (1:38.78, South American record), both relays formed by Larissa, Daiane Oliveira, Alessandra Marchioro and Daynara de Paula. Oliveira's other results were the 10th place in the Women's 100 metre freestyle (breaking the South American record in the semifinals, with a time of 52.75), the 14th place in the Women's 50 metre freestyle, and the 20th place in the Women's 200 metre freestyle.

At the Brazilian Open, in Rio de Janeiro, she broke the South American record in the 100-metre freestyle, with a time of 54.61.

In April 2015, participating in the Maria Lenk Trophy in Rio de Janeiro, she broke the South American record in the 200-metre freestyle with a time of 1:58.53, and in the 4 × 200 metre freestyle relay with a time of 8:03.22, along with Joanna Maranhão, Manuella Lyrio and Gabrielle Roncatto.

At the 2015 Pan American Games in Toronto, Canada, Oliveira won three medals in three Brazilian relays: a silver medal in the 4 × 200 metre freestyle relay, breaking the South American record, with a time of 7:56.36, along with Manuella Lyrio, Jéssica Cavalheiro and Joanna Maranhão; and two bronze medals in the 4 × 100 metre freestyle relay (this, breaking the South American record, with a time of 3:37.39) and 4 × 100 metre medley relay. She also finished 5th in the Women's 100 metre freestyle (equaling her South American record of 54.61) and 5th in the Women's 200 metre freestyle.

At the 2015 World Aquatics Championships in Kazan, she finished 6th in the 4 × 100 metre mixed freestyle relay, along with Matheus Santana, Bruno Fratus and Daynara de Paula, breaking the South American record with a time of 3:25.58; 10th in the Women's 4 × 200 metre freestyle relay; 11th in the Women's 4 × 100 metre freestyle relay; 14th in the Women's 4 × 100 metre medley relay; 19th in the Women's 100 metre freestyle, and 27th in the Women's 200 metre freestyle.

On April 2016, at the Maria Lenk Trophy tournament held in Rio de Janeiro, Oliveira broke the South American record in the 100-metre freestyle, with a time of 54.03, and in the 200-metre freestyle, with a time of 1:57.37.

2016 Summer Olympics

At the 2016 Summer Olympics, she finished 21st in the Women's 100 metre freestyle, 35th in the Women's 200 metre freestyle, 11th in the Women's 4 × 100 metre freestyle relay, and 13th in the Women's 4 × 100 metre medley relay.In the Women's 4 × 200 metre freestyle relay, she broke the South American record, with a time of 7:55.68, along with Jéssica Cavalheiro, Gabrielle Roncatto and Manuella Lyrio, finishing 11th.

2016–20

On September 2016, at the José Finkel Trophy (short course competition), she broke the South American record in the 4×200-metre freestyle relay, with a time of 7:52.71, along with Joanna Maranhão, Aline Rodrigues and Manuella Lyrio.

At the 2016 FINA World Swimming Championships (25 m) in Windsor, Ontario, she won a silver medal at the 4 × 50 metre mixed medley relay, along with Etiene Medeiros, Felipe Lima and Nicholas Santos. She also finished 20th in the Women's 50 metre freestyle, 15th in the Women's 100 metre freestyle, and 13th in the Women's 200 metre freestyle.

On March 9, 2017, a tree fell in her car and struck her thigh, causing a very serious injury. Almost four months later, she returned to compete.

Personal bests

Larissa Oliveira is the current holder, or former holder, of the following records:

Long Course (50 meters):

Short course (25 meters):