In the period from October 2, 1910 to 29 September 1911 Guttenstein was the world record holder at 100 meters freestyle, with a time of 1:26.6. During this period, she was known for being victorious in many races with men. During the 1912 Olympic Games in Stockholm, twenty-four-year-old Guttenstein swam in one competition, the 100 meters freestyle, where she finished in fifth place in the third qualifying race and was eliminated from further competition, she was the oldest out of all the swimmers in this event.