<p>Olympic champion Sydney McLaughlin smashed her own world record as she stormed to victory in the women's 400m hurdles at the World Championships in Oregon on Friday.</p>.<p>The US track star obliterated her world record at Hayward Field in Eugene to power home in 50.68sec, slicing more than half a second of her previous world mark of 51.41sec set last month.</p>.<p><strong>Read | <a href="https://www.deccanherald.com/sports/javelin-thrower-annu-rani-finishes-seventh-in-world-championships-1129278.html" target="_blank">Javelin thrower Annu Rani finishes seventh in World Championships</a></strong></p>.<p>Femke Bol of the Netherlands took silver in 52.27 while defending champion Dalilah Muhammad of the United States took bronze in 53.13.</p>
<p>Olympic champion Sydney McLaughlin smashed her own world record as she stormed to victory in the women's 400m hurdles at the World Championships in Oregon on Friday.</p>.<p>The US track star obliterated her world record at Hayward Field in Eugene to power home in 50.68sec, slicing more than half a second of her previous world mark of 51.41sec set last month.</p>.<p><strong>Read | <a href="https://www.deccanherald.com/sports/javelin-thrower-annu-rani-finishes-seventh-in-world-championships-1129278.html" target="_blank">Javelin thrower Annu Rani finishes seventh in World Championships</a></strong></p>.<p>Femke Bol of the Netherlands took silver in 52.27 while defending champion Dalilah Muhammad of the United States took bronze in 53.13.</p>