Thomas Burns (Fl.) crushed a new US No. 2 all-time mark in the 300m hurdles on Saturday the Great Southwest Track and Field Classic. <br /><br />Burns mark of 35.25 is not only US no. 2 all-time but is also a new junior class record. Burns breaks the old junior class record time of 35.33 set by Robert Griffin III back in 2007.<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/
