U.S. Olympian Sydney McLaughlin of Union Catholic got the NJSIAA Group Championships off to a blazing start when she took down her own World Junior record in the 400-meter hurdles with a sizzling time of 54.03.<br /><br /><br />Website: http://milesplit.com <br />Subscribe: http://bit.ly/2oJSZDS<br /><br />Follow MileSplit<br />Facebook: https://www.facebook.com/MileSplit <br />Twitter: https://twitter.com/milesplit <br />Instagram: https://www.instagram.com/milesplit/
