Meet Yelena Isinbayeva, a Russian pole vaulter who dominated her event and broke numerous records throughout her career. Isinbayeva was born in 1982 in Volgograd, Russia, and was introduced to pole vaulting at the age of 15. She quickly developed a passion for the sport, and within a few years, she was already competing at the national level. In 2003, she won her first world championship title, and the following…