|Born||29 August 1994|
|Height||1.84 m (6 ft 0 in)|
|Weight||79 kg (174 lb)|
At the 2012 Summer Olympics, Detti competed in the men's 1500 metre freestyle, finishing in 13th place overall in the heats, failing to qualify for the final. At the 2016 Summer Olympics, he won a bronze medal in the men's 400 metre freestyle as well as a bronze medal in the men's 1500 metre freestyle, race won by teammate Gregorio Paltrinieri.
At the 2017 World Aquatics Championships in Budapest, Detti won the bronze medal in the 400 m. Later he won the gold medal in the 800 m, becoming the world champion in the distance and setting the new European record in a time of 7:40.77. Two years later Detti confirmed his bronze medal in the 400 m freestyle in Gwangju 2019, sharing the podium with Sun Yang and Mack Horton, as already happened in Rio and in Budapest.
Personal bests (LC)