| W | World Outdoor | 46.78 | Kevin Young | USA | 8/6/1992 | Barscelona, ESP |
| J | World/ U-20 | 48.02 | Danny Harris | USA | 6/17/1984 | Los Angeles, CA |
| C20 | Carifta/ U-20 | 49.76 | Jehue Gordon | TTO | 4/4/2010 | Georgetown, CAY |
| C17 | Carifta/ U-17 | 52.75 | Stephen Newbold | BAH | 4/4/2010 | Georgetown, CAY |
| PL | JD | # | Athlete | Age | Team | Time |
|---|---|---|---|---|---|---|
| 1 | 294 | BROWN, JAYDEN | 16 | JAM | 53.03 | |
| 2 | 324 | SIMMONDS, SHARVIS | 16 | JAM | 54.11 | |
| 3 | 157 | SPENCER, AREN | 16 | BAR | 54.26 | |
| 4 | 103 | MILLER, WENDELL | 16 | BAH | 56.07 | |
| 5 | 475 | MOORE, RINALDO | 16 | TTO | 56.22 |
| HPL | JD | # | Athlete | Age | Team | Time | Note |
|---|---|---|---|---|---|---|---|
| 1 | 294 | BROWN, JAYDEN | 16 | JAM | 53.03 | ||
| 2 | 324 | SIMMONDS, SHARVIS | 16 | JAM | 54.11 | ||
| 3 | 157 | SPENCER, AREN | 16 | BAR | 54.26 | ||
| 4 | 103 | MILLER, WENDELL | 16 | BAH | 56.07 | ||
| 5 | 475 | MOORE, RINALDO | 16 | TTO | 56.22 |