Overview

• Hein clocked 4:34.34 in Otopeni to lower Georgina Bardach’s Argentine and South American record from Athens 2004 (4:37.51) and break the World Junior championship record previously held by Leah Hayes (4:36.84).
• Britain’s Amelie Smith took silver in 4:35.49, with Japan’s Shuna Sasaki earning bronze in 4:38.94.
• The victory makes Hein the second Argentine to claim a World Junior title, following Delfina Pignatiello’s 2017 wins.
• She arrived in Romania directly after the Pan American Junior Games in Asunción, where she earned eight medals, including three golds.
• Hein is entered in the 800m freestyle on Wednesday, with the 200m individual medley and 400m freestyle slated for later in the week.