 Under the guidance of new coach Fitz Coleman , Bolt turned professional in 2004 , beginning with the CARIFTA Games in Bermuda . He became the first junior sprinter to run the 200 m in under twenty seconds , taking the world junior record outright with a time of 19 @.@ 93 s . For the second time in the role , he was awarded the Austin Sealy Trophy for the most outstanding athlete of the 2004 CARIFTA Games . A hamstring injury in May ruined Bolt 's chances of competing in the 2004 World Junior Championships , but he was still chosen for the Jamaican Olympic squad . Bolt headed to the 2004 Athens Olympics with confidence and a new record on his side . However , he was hampered by a leg injury and was eliminated in the first round of the 200 metres with a disappointing time of 21 @.@ 05 s . American colleges offered Bolt track scholarships on the strength of his performances , but the teenager from Trelawny refused them all , stating that he was content to stay in his homeland of Jamaica . Bolt instead chose the surroundings of the University of Technology , Jamaica , as his professional training ground , staying with the university 's primitive track and weight room that had served him well in his amateur years . 
