At the 2005 World Championships, she was among the favorites, having run 12.47 seconds in June. She did reach the final race, only to fail to finish after stumbling in the hurdles. She finished third at the 2005 World Athletics Final. After that, mediocre seasons followed with 12.76 (2006), 13.28 (2007) and 12.63 seconds (2008) as her season's best times. She failed to qualify for the 2008 Olympics due to injury.
While assistant coach at the University of Southern California, where she has coached from 2017 to the 2024 season,[3] she was named Athletic Director for Track and Field and Cross Country. She was the former personal coach (2018-2020) to professional runner and 400m hurdle world recorder holder Sydney McLaughlin. Previously, she was an assistant coach at UCLA from 2014 through 2016, and prior to that she coached track and field and cross country at Harvard-Westlake School in Los Angeles, California. She is the daughter of Los Angeles homelessadvocate Ted Hayes. She gave birth to a daughter, Zoe, in December 2010. Hayes began her comeback to competition in 2012.[4]
^"Archived copy"(PDF). Archived from the original(PDF) on 2011-10-13. Retrieved 2011-10-18.{{cite web}}: CS1 maint: archived copy as title (link) Track and Field News High School AOY