Rio Olympics mile relay silver medalist Nathon Allen was one of four Jamaican winners at the Texas Invitational in the United States on Saturday.
Allen, a former standout at St Jago and now a freshman at Auburn University, clocked 45.79 seconds to win the 400 meters.
Former Kingston College star Akeem Bloomfield was also winner, speeding to wind-aided 20.29 seconds to win the men's 200 meters.
Former Wolmers Girls star Jonielle Smith now running for Auburn University, also won the women's 100 meters in a wind-aided 11.08 seconds.
Elsewhere at the meet, former national junior representative Rushell Burton now at the University of Texas, also clocked a wind-aided 12.65 for 2nd in the women's 100 meter hurdles behind American world record holder Kendra Harrison 12.54 seconds. Sashel Brown also competing for Auburn, was 3rd in the women's 400 meters, clocking 53.41 seconds.
Former St Jago standout Raheem Chambers also now a freshman at Auburn University, was 3rd overall in the 100 meters with 10.03 seconds.