Marcelo Chierighini

On April 18, 2019, participating in the Maria Lenk Trophy competition in Rio de Janeiro, Chierighini finished the 100-metre freestyle race in 47.68 seconds, earning the best time of his life, and third in the world rankings behind only Vladislav Grinev (47.43) and Kyle Chalmers (47.48). His time was the fastest by a South American in the textile suit era, breaking Cesar Cielo's previous record of 47.84, set all the way back in 2011 at the Pan American Games.

At the 2019 World Aquatics Championships in Gwangju, South Korea, Chierighini came to try an unprecedented Men's 100 metre freestyle medal. He qualified 3rd at heats (47.95) and at the semifinals (47.76). In the final, however, he failed to repeat the semifinal time, which would give him the bronze medal: he finished the race in 5th place with a time of 47.93. The bronze was obtained by Vladislav Grinev with 47.82. In the Men's 4 × 100 metre freestyle relay and in the Men's 4 × 100 metre medley relay, he finished 6th, helping Brazil qualify for the Tokyo 2020 Olympics.He also finished 16th in the Men's 50 metre freestyle.

At the 2019 Pan American Games held in Lima, Peru, Chierighini won the gold medal in the Men's 100 metre freestyle, defeating Nathan Adrian, with a time of 48.09. He won another gold in the Men's 4 × 100 metre freestyle relay, breaking the Pan American Games record.. Chierighini also got two silver medals in the Mixed 4 × 100 metre freestyle relay and Men's 4 × 100 metre medley relay.

At the 2018 Pan Pacific Swimming Championships in Tokyo, Japan, Chierighini won the gold medal in the Men's 4 × 100 metre freestyle relay, along with Gabriel Santos, Marco Ferreira Júnior and Pedro Spajari. He also finished 4th in the Men's 100 metre freestyle and 8th in the Men's 50 metre freestyle.

At the 2018 FINA World Swimming Championships (25 m) in Hangzhou, China, Chierighini, along with César Cielo, Matheus Santana and Breno Correia, won the bronze medal in the Men's 4 × 100 metre freestyle relay, with a time of 3:05.15, setting a South American record. He also finished 12th in the Men's 100 metre freestyle.

At the 2017 World Aquatics Championships in Budapest, in the Men's 4 × 100 metre freestyle relay, the Brazilian team composed by Chierighini, César Cielo, Bruno Fratus and Gabriel Santos achieved a historic result by winning the silver medal, the best Brazilian result of all time at World Championships in this race. Brazil beat the South American record of 2009, still in the super-suits era, with a time of 3:10.34, just 0.28 from the US team. The last medal of Brazil in this race, in Worlds, had been obtained in 1994. Chierighini did the fastest split of the entire field (46.85), and the third-fastest split ever in a textile jammer. He also finished 5th in the Men's 100 metre freestyle final, repeating his best time (48.11), and 5th In the Men's 4 × 100 metre medley relay, along with Henrique Martins, João Gomes Júnior and Guilherme Guido.

At the 2016 Summer Olympics, he went to three finals: in the Men's 100 metre freestyle, finishing 8th; in the Men's 4 × 100 metre freestyle relay, finishing 5th; and in the Men's 4 × 100 metre medley relay, finishing 6th.

At the 2015 Pan American Games in Toronto, Ontario, Canada, Chierighini won the gold medal in the 4×100-metre medley relay (where he broke the Pan American Games record with a time of 3:32.68, along with Guilherme Guido, Felipe França Silva and Arthur Mendes). and in the 4×100-metre freestyle relay (where he broke the Pan American Games record with a time of 3:13.66, along with Matheus Santana, João de Lucca and Bruno Fratus).He also won a bronze medal in the 100-metre freestyle.

At the 2015 World Aquatics Championships in Kazan, Chierighini finished 4th in the Men's 4 × 100 metre freestyle relay, along with Matheus Santana, Bruno Fratus and João de Lucca. César Cielo didn't swam the final - despite being participating in the championship, he was feeling shoulder pain on this day. In the Men's 100 metre freestyle, Chierighini made his best individual participation in the World Championships, finishing in 5th place, with a time of 48.27. He also finished 10th in the Men's 4 × 100 metre medley relay.

At the 2014 Pan Pacific Swimming Championships in Gold Coast, Queensland, Australia, Chierighini won a bronze medal in the Brazilian 4×100-metre freestyle relay, along with João de Lucca, Bruno Fratus and Nicolas Oliveira. He also finished 4th in the 4x100-metre medley relay, along with Guilherme Guido, Felipe França and Thiago Pereira, 8th in the 50-metre freestyle, and 9th in the 100-metre freestyle.

In April 2013, at the Maria Lenk Trophy in Brazil, Chierighini made the seventh best time of the year in the 50-metre freestyle (21.88 seconds) and fourth in the 100-metre freestyle (48.11 seconds). At the 2013 World Aquatics Championships in Barcelona, he finished 7th in the 4×100-metre freestyle, along with Fernando Santos, Nicolas Oliveira and Vinícius Waked. In the 100-metre freestyle, he equaled his personal record in the semifinal, with a time of 48.11 seconds, ranking third for the final, behind Adrian (47.95) and Feigen (48.07). He finished 6th in the final, with a time of 48.28. In the 50-meter freestyle, Cherighini reached the semifinals, where he beat his personal record with a time of 21.84 seconds. However, due to the high level of proof (thirteen swimmers made times below 22.0, better than London 2012 when ten swimmers did it), he finished 10th, staying out of the final by 10 hundredths of a second. In the 4×100-metre medley, he finished 12th, along with Leonardo de Deus, Felipe Lima and Nicholas Santos.

He swam at the 2012 Summer Olympics in the 4×100-metre medley relay, in which he ranked 15th, and the 4×100-metre freestyle relay, in which he ranked 9th.

He was at the 2011 World Aquatics Championships in Shanghai, China, where he finished 9th in the 4×100-metre freestyle. At the 2011 Summer Universiade, he got a silver medal in the 4×100-metre freestyle relay.

At the 2010 FINA World Swimming Championships (25 m) in Dubai, Chierighini, along with César Cielo, Nicholas Santos and Nicolas Oliveira, won the bronze medal in the 4×100-metre freestyle relay with a time of 3:05.74, South American record, leaving behind the U.S. team.

Marcelo Chierighini (born 15 January 1991) is a Brazilian competitive swimmer.