If you are the person who loves swimming and could not think of life without it, let us tell you who actually started it. The English started the sport swimming in the 1830's. However women started swimming at the Olympics in 1912. People actually started swimming over 100,000 years ago in 2500 B.C. The first swimming pool was most likely The Great Bath. The oldest swimming pool is around 2600 B.C. old.