The women's 400 metres hurdles sprint competition of the athletics events at the 2011 Pan American Games took place between the 24 and 26 of October at the Telmex Athletics Stadium. The defending Pan American Games champion was Sheena Johnson of the United States.

Records Prior to this competition, the existing world and Pan American Games records were as follows: World record52.34Tula, RussiaAugust 8, 2003Pan American Games record53.44Winnipeg, CanadaJuly 28, 1999

Qualification Each National Olympic Committee (NOC) was able to enter one athlete regardless if they had met the qualification standard. To enter two entrants both athletes had to have met the minimum standard (60.40) in the qualifying period (January 1, 2010 to September 14, 2011).

Schedule Date Time RoundOctober 24, 2011 15:50 SemifinalsOctober 26, 2011 18:40 Final

Results All times shown are in seconds.

KEY:qFastest non-qualifiersQQualifiedNRNational recordPBPersonal bestSBSeasonal bestDQDisqualified

Semifinals Held on October 24. The first three in each heat and the next two fastest advanced to the finals.

Rank Heat Name Nationality Time Notes 1 2 Sharolyn Scott 57.23 Q, PB 2 1 Princesa Oliveros 57.55 Q, PB 3 2 Mackenzie Hill 57.82 Q 4 2 Yolanda Osana 57.86 Q 5 2 Jailma de Lima 58.29 q 6 1 Lucy Jaramillo 58.54 Q, PB 7 1 Takecia Jameson 58.68 Q 8 1 Karla Saviñón 59.00 q 9 1 Sheryl Morgan 59.59 10 1 Katrina Seymour 1:00.34 11 2 Déborah Rodríguez 1:00.72 12 2 Rushell Clayton 1:03.44 13 1 Jessica Aguilera 1:03.75

Final Held on October 26.

Rank Name Nationality Time Notes Princesa Oliveros 56.26 PB Lucy Jaramillo 56.95 PB Yolanda Osana 57.08 NR4 Sharolyn Scott 57.40 5 Jailma de Lima 57.71 6 Takecia Jameson 57.89 7 Mackenzie Hill 58.08 8 Karla Saviñón 58.57

References