| W | World Outdoor | 47.60 | Marita Koch | GDR | 10/6/1985 | Canberra, AUS |
| J | World/ U-20 | 49.42 | Grit Breuer | GER | 8/27/1991 | Tokyo, JPN |
| C20 | Carifta/ U-20 | 51.30 | Sonita Sutherland | JAM | 4/15/2006 | Les Abymes, GUD |
| C17 | Carifta/ U-17 | 53.19 | Megan Moss | BAH | 3/31/2018 | Nassau, BAH |
| PL | JD | # | Athlete | Age | Team | Time |
|---|---|---|---|---|---|---|
| 1 | 343 | FOOTE, SHAQUENA | 18 | JAM | C17 52.63 | |
| 2 | 333 | ALLEN, ANNAKAY | 19 | JAM | 53.53 | |
| 3 | 514 | SERVILLE, RAE- ANN | 17 | TTO | 54.18 | |
| 4 | 135 | WHITE, MARRISA | 17 | BAH | 54.30 | |
| 5 | 126 | MOSS, MEGAN | 17 | BAH | 54.31 | |
| 6 | 378 | ALPHONSE, KIMANI | 19 | LCA | 55.01 | |
| 7 | 262 | SKEETE, DESHANA | 17 | GUY | 55.15 | |
| 8 | 507 | MATINEZ, TATIANNA | 18 | TTO | 56.26 |
| HPL | JD | # | Athlete | Age | Team | Time | Note |
|---|---|---|---|---|---|---|---|
| 1 | 343 | FOOTE, SHAQUENA | 18 | JAM | C17 52.63 | ||
| 2 | 333 | ALLEN, ANNAKAY | 19 | JAM | 53.53 | ||
| 3 | 514 | SERVILLE, RAE- ANN | 17 | TTO | 54.18 | ||
| 4 | 135 | WHITE, MARRISA | 17 | BAH | 54.30 | ||
| 5 | 126 | MOSS, MEGAN | 17 | BAH | 54.31 | ||
| 6 | 378 | ALPHONSE, KIMANI | 19 | LCA | 55.01 | ||
| 7 | 262 | SKEETE, DESHANA | 17 | GUY | 55.15 | ||
| 8 | 507 | MATINEZ, TATIANNA | 18 | TTO | 56.26 |
| PL | JD | # | Athlete | Age | Team | Time | HPL |
|---|---|---|---|---|---|---|---|
| 1 | 343 | FOOTE, SHAQUENA | 18 | JAM | 54.09Q | 2 (1) | |
| 2 | 135 | WHITE, MARRISA | 17 | BAH | 54.85Q | 2 (2) | |
| 3 | 333 | ALLEN, ANNAKAY | 19 | JAM | 54.96Q | 1 (1) | |
| 4 | 126 | MOSS, MEGAN | 17 | BAH | 55.00Q | 1 (2) | |
| 5 | 378 | ALPHONSE, KIMANI | 19 | LCA | 55.09Q | 1 (3) | |
| 6 | 507 | MATINEZ, TATIANNA | 18 | TTO | 55.35q | 1 (4) | |
| 7 | 514 | SERVILLE, RAE- ANN | 17 | TTO | 55.53Q | 2 (3) | |
| 8 | 262 | SKEETE, DESHANA | 17 | GUY | 55.82q | 2 (4) | |
| 9 | 533 | WOODLEY, TAMARA | 19 | VIN | 57.06 | 2 (5) | |
| 10 | 173 | ODAINE, SHEMIA | 18 | BAR | 58.24 | 2 (6) | |
| 11 | 79 | SMALL, RYANNE | 17 | ANT | 59.11 | 1 (5) | |
| 12 | 448 | BUTLER, ZOE | 17 | TKS | 59.83 | 1 (6) | |
| 13 | 528 | MYLE, ZAMESHA | 18 | VIN | 1:00.99 | 1 (7) | |
| 14 | 269 | COOPER, KASIA | 19 | HAI | 1:01.32 | 2 (7) | |
| 15 | 54 | MORGAN, CLAUDINA | 18 | CAY | 1:02.13 | 2 (8) |
| HPL | JD | # | Athlete | Age | Team | Time | Note |
|---|---|---|---|---|---|---|---|
| 1 | 333 | ALLEN, ANNAKAY | 19 | JAM | 54.96 | ||
| 2 | 126 | MOSS, MEGAN | 17 | BAH | 55.00 | ||
| 3 | 378 | ALPHONSE, KIMANI | 19 | LCA | 55.09 | ||
| 4 | 507 | MATINEZ, TATIANNA | 18 | TTO | 55.35 | ||
| 5 | 79 | SMALL, RYANNE | 17 | ANT | 59.11 | ||
| 6 | 448 | BUTLER, ZOE | 17 | TKS | 59.83 | ||
| 7 | 528 | MYLE, ZAMESHA | 18 | VIN | 1:00.99 |
| HPL | JD | # | Athlete | Age | Team | Time | Note |
|---|---|---|---|---|---|---|---|
| 1 | 343 | FOOTE, SHAQUENA | 18 | JAM | 54.09 | ||
| 2 | 135 | WHITE, MARRISA | 17 | BAH | 54.85 | ||
| 3 | 514 | SERVILLE, RAE- ANN | 17 | TTO | 55.53 | ||
| 4 | 262 | SKEETE, DESHANA | 17 | GUY | 55.82 | ||
| 5 | 533 | WOODLEY, TAMARA | 19 | VIN | 57.06 | ||
| 6 | 173 | ODAINE, SHEMIA | 18 | BAR | 58.24 | ||
| 7 | 269 | COOPER, KASIA | 19 | HAI | 1:01.32 | ||
| 8 | 54 | MORGAN, CLAUDINA | 18 | CAY | 1:02.13 |