 Complete the following phrase:  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 