She set the mark while winning the 2019 NCAA Championships,[3] running for the University of Arkansas as a sophomore.

It also became the pending Jamaican record, though it will not be ratified because Danielle Williams superseded it with a 12.32 run later in the season during the Diamond League.

Brown is the Arkansas Razorbacks track and field and Southeastern Conference 100 meter hurdles all time record setter.

In 2019, as a sophomore, Brown earned her fifth NCAA Division I All-American track and field award.

[7] In July 2019, Brown chose to represent Puma as a title sponsor following a 2019 world leading time.