When the starter’s gun for the 2017 Carifta Trials goes off in Jamaica today, there will be at least one unfamiliar face to most Jamaican fans as the high school girls line up to represent the sprint capital in the girls U-18 100m and 200m. Travelling from Miramar, Florida, to Kingston this week is 14-year-old Briana Williams – the fifth fastest high school girl and second-fastest ninth grader in Florida at the 100m for 2017.