Watch Brandon Miller thrown down the 14-year-old World Age Group Record in the 800m at the AAU Junior Olympics in 1:51.24. <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/
