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.

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.

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