Given the question: Facts: - sport: track and field - imagesize: 230 - residence: gainesville , florida - event: 100 meters , 200 meters - weight: 178 lb kg on - caption: williams during keien meeting 2007 - height: 6 ft 0 in m on - fullname: bernard rollen williams , iii - birth date: 19 january 1978 - name: bernard williams - coach: mike holloway - image: bernard williams.jpg - birth place: baltimore , maryland - collegeteam: university of florida Based on these bullet points, write a short biography describing the life of bernard williams -lrb- sprinter -rrb- .
The answer is:
bernard rollen williams , iii -lrb- ; born january 19 , 1978 -rrb- is an american track and field athlete and winner of a gold medal in 4 100-meters relay at the 2000 summer olympics .