- Female 400 M Hurdles (13) Prelims
- Saturday 7/22/2017 - 09:30
- Jr. World:54.157/10/2016SydneyMcLAUGHLIN, USA
- World TBC:53.826/25/2017SydneyMcLAUGHLIN, USA
- PanAm U20:56.252007QUEENHARRISON, USA
- 1Nicole Foster (19)Jamaica56.65
- 2Brandee Johnson (19)United States57.27
- 3Xahria Santiago (18)Canada57.39
- 4Masai Russell (17)United States57.55
- 5Reanda Richards (18)St.Kitts & Nevis59.09
- 6Marina S Poroso Navarro (19)Ecuador59.76
- 7Ally Oulds (18)Canada1:00.81
- 8Josselyn M Montiel Castillo (18)Ecuador1:01.00
- 9Maria F Matos (18)Dom. Rep.1:01.85
- 10Franchina Martinez (18)Dom. Rep.1:02.73
- 11Veronica Gonzalez (16)Uruguay1:05.63
- 12Yenifer Silva (19)Uruguay1:06.98
- 13Geovana S Orozco (19)NicaraguaNT