100 metres at the Olympics 40 in 2000 and reached the Olympic semi-finals four years later. (Ottey is also the most frequent participant having competed in the Olympic 100 m an unrivalled six times from 1984 to 2004). The first women's champion, Betty Robinson in 1928, remains the youngest gold medallist for the event at 16 years old, while a 32-year-old Linford Christie became the oldest 100 m Olympic champion in 1992. Since introduction of testing by the IAAF in the early-20th century, female sprinters may be subject to gender verification. This rule was first formally applied to the 100 m at the 1968 Mexico
Athletics at the 1956 Summer Olympics – Women's 100 metres Athletics at the 1956 Summer Olympics – Women's 100 metres The women's 100 metres competition at the 1956 Summer Olympics in Melbourne, Australia was held at the Olympic Stadium on November 29–30. In the final, Betty Cuthbert clearly beat her teammate Marlene Mathews-Willard out of the blocks, with Heather Armitage and Isabelle Daniels out quickly in close contention. Christa Stubnick had a burst of acceleration to quickly draw even with Daniels as Armitage was unable to hold her speed. Cuthbert expanded upon her slight advantage to pull away to a clear win. Stubnick was able to separate slightly from Daniels