 <unk> <unk> represented Chad at the Beijing Olympics in the men 's 100 meters dash . Born in 1977 , <unk> first participated in the Olympics at age 22 when he raced in the men 's 100 meters at the 2000 Summer Olympics in Sydney , Australia , placing seventh in his qualification heat and not progressing to later rounds . He did not attend the 2004 Summer Olympics in Athens , Greece , but returned to the Olympics at Beijing at the age of 30 . During the course of the August 14 , 2008 races in his event , when the qualification round took place , <unk> competed in the tenth heat against seven other athletes . He finished the race in 11 @.@ 14 seconds , placing seventh in the heat ahead of Tuvalu 's <unk> <unk> ( 11 @.@ 48 seconds ) and behind Gabon 's Wilfried <unk> ( 10 @.@ 87 seconds ) in a heat led by the Netherlands Antilles ' Churandy Martina ( 10 @.@ 35 seconds ) and Japan 's Naoki <unk> ( 10 @.@ 39 seconds ) . Of the 80 athletes who participated in the events , the Chadian sprinter ranked 70th . He did not advance to later rounds . 
