The performance moves Adeleke into the top 20 on the World 400m all-time list.
Rhasidat Adeleke won gold at the NCAA Championships in Texas, breaking her own Irish 400m record in the process.
The 20-year-old Tallaght native became the first Irish sprinter to win a NCAA title after she registered a meet-record time of 49.20.
The performance moves Adeleke into the top 20 on the World 400m all-time list.