In his international debut, at the 2010 FINA World Swimming Championships in Dubai, together with Nicholas Santosconquered Chierighini, Nicolas Oliveira César Cieloand the bronze medal in the 4 × 100 m freestyle relay.
During the 2012 London summer Olympics was Chierighini along with Nicolas Oliveira, Bruno Fratus and Nicholas Santos eliminated in the heats of the 4 × 100 m freestyle relay, he stranded on the 4 × 100 m Medley Relay along with Felipe França , Thiago Pereiraand Kaio de Almeida in the series.
On the 2013 world Aquatics Championships in Barcelona he finished along with Fernando Santos, Nicolas Oliveira and Vinícius Waked seventh in the final of the 4 × 100 m freestyle relay. In the final of the individual 100 m freestyle Chierighini finished in sixth place.
|Year||Olympic Games||World Championships long course||Short course WORLD CUP||PanPacs|
4 x 100 m freestyle
|2012||9th4 x 100 m freestyle
15th 4 x 100 m Medley
|2013||10th50 m freestyle|
Updated to August 13, 2013