1908 Summer Olympics events. Oscar Swahn from Sweden, who won the gold medal for running deer shooting, became the oldest Olympic champion of all time, and set another age record by being 72 years and 279 days old during his triumph at the 1920 Summer Olympics in Antwerp, Belgium. One of the more unusual shooting events in 1908 was dueling. The discipline, which was an associate event (i.e. not official), was performed by facing opponents wearing protective clothing and masks and firing wax bullets. American John Taylor was a member of the winning medley relay team, making him the first African-American athlete to
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