Antonucci, a Mays Landing native who recently completed his sophomore year at Auburn, placed fourth among athletes from across North America, Central America and the Caribbean that comprise the NACAC.
Antonucci threw 224-3 on his final attempt. The meet was held at the Pista de Ateltismo in Querétaro, Mexico, about 150 miles northeast of Mexico City.
Anderson Peters, the Grenadan national record holder, won the event with a throw of 268-8. Peters was teammates this past year with Curtis Thompson of Florence at Mississippi State. Peters and Thompson went 1-2 at NCAAs.
Antonucci, the 2017 Meet of Champions winner and New Balance runner-up for Holy Spirit, threw 237-5 for Auburn this year and ranked seventh in Division 1 among freshmen and sophomores.
According to the IAAF 2019 U.S. javelin performance list, Antonucci is ranked No. 18 among U.S. men. He’s one of four South Jersey natives in the top 20, along with Thompson (No. 3 at 258-7) and Chris Mirabelli of Holy Cross (No. 19 at 236-6) and Nick Mirabelli of Rancocas Valley (20 at 234-10).