It is the second straight week she has broken the record.
Three Blue Devils began competition.
The meet starts on Friday morning.
The four-day meet starts on Wednesday.
Iyin Battle also set a personal-best.
The meet starts at 9 a.m. on Saturday
She is a first team All-American.
He finished in 10th place overall.
Duke will have six participants.
The pair will compete on March 9 & 10.
Duke broke three school records Saturday
He broke the all-time ACC 400m record.