By 2013 Napravnik was viewed as one of the most popular jockeys at the Fair Grounds. She finished the year with no major injuries and was ranked 30th in earnings. Napravnik began 2011 with a win in the Louisiana Derby, riding Pants on Fire, becoming the first woman to win that race. When she was named the leading rider at that track in 2011, with 110 wins, she was also the first woman rider to win the title. She then became only the sixth woman to ride in the Kentucky Derby. riding Pants on Fire to a 9th place finish, the best placing for a woman rider in the history of the Derby to that date. She also was second in the 2011 Kentucky Oaks, riding a longshot filly named St. John's River. In July of that year, Napravnik fractured her arm again when the horse she was riding broke down on the track and fell. This time the fracture was just above the plate in her wrist that had repaired her first break, an injury that required a three-hour surgery and replacement of the wrist plate with a larger one. In 2012 Napravnik became the first woman jockey to win the Kentucky Oaks, riding Believe You Can. The race was also her first Grade I win. She then rode in the Belmont Stakes for the first time, finishing fifth aboard Five Sixteen. Later that year, she won the Breeders' Cup Juvenile aboard Shanghai Bobby, becoming only the second woman jockey to win a Breeder's Cup race. She received one minor injury in 2012: a non-displaced fracture of her toe, obtained when her horse hit the side of the starting gate at Saratoga. She finished the race and returned to ride the next day. She ended the year ranked 8th in national earnings, winning $12,451,713, which surpassed the earnings and national placing record for a female jockey previously held by Julie Krone. As a result, sports analysts viewed her as the most successful woman jockey since Krone. Early in 2013, Napravnik once again won the leading rider title at the Fair Grounds, making it three years in a row that she had won the award. She had hopes of riding Shanghai Bobby, who was undefeated in five races, in the 2013 Kentucky Derby, but he suffered a pelvic fracture at the Florida Derby and missed the Triple Crown races. She was able to pick up another horse for the Derby, Mylute, with whom she broke her previous Kentucky Derby finish record, taking fifth.