Lance Armstrong was born on September 18th,1971. When he was seven,he got his first bicycle and started riding it evrey day.Later he was able to bike home himself .Then he started entering races。 He didn't do very well in his first race .But after hard working ,he become a famous cyclist in the world in 1996.But at the same time,Lance Armstrong often felt tired and weak ,and couldn't race as well as he used to. Doctors told him that he had cancer and had a slim chance of surviving. The news didn't stop Armstrong from believing he could race again.With the help of doctors,he recovered from the cancer.Armstrong returned to races in 1998,and then in 1999 he entered the Tour de France .Armstrong won the first prize. Then he went on to win the Tour de France seven straight times! He was the world's best cyclist!Armstrong 's amazing comeback from cancer made him a famous man and an inspiration to other people with cancer.