text:  Chad sent a delegation of two athletes to compete at the 2008 Summer Olympics in Beijing , China : <unk> <unk> , who competed in the men 's 100 meters , and <unk> <unk> <unk> , who competed in the women 's 100 meters and also bore the <unk> flag during ceremonies . The appearance of this delegation marked the tenth appearance of Chad at the Summer Olympics , the first been in 1964 Summer Olympics in Tokyo , Japan , and its seventh appearance since its Olympic hiatus between 1976 and 1980 . Both <unk> and <unk> ranked seventh in their respective <unk> and did not advance past the qualification round . As of the end of the 2012 London Olympics , there have been no <unk> from Chad . 
  