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Gregorio Paltrinieri was born on September 5, 1994. He is an Italian swimmer who specializes in long-distance freestyle and open water swimming. Paltrinieri has won three Olympic medals, including two gold medals in the 1500-meter freestyle at the 2016 and 2020 Summer Olympics. He has also won nine World Championship medals, including five gold medals in the 1500-meter freestyle and 800-meter freestyle.