Casey Clinger runs sub-55s on the final lap of the 3200m at the 2017 Utah State Championships to break the state record in 8:57.90.<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/
