Winona Cotter (Minnesota) High freshman Grace Ping opened her season with a big 5K performance, winning the St. Olaf High School Showcase Thursday in Northfield in a new U.S. No. 7 time of 17:45.00. <br /><br />And not surprisingly, either, was Ping's sister Lauren, a 7th grader who finished third in a U.S. No. 26 time of 18:21.00. <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/
