*This week MileSplit USA will spotlight five underclassman athletes (girls and boys) with already large resumes who will head into the 2019 cross country season with ridiculous potential.*
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Manchester (CT) High School's Aidan Puffer
set himself apart from the crowd this past track season when he threw down a 9:10 in the 3200m. That time ranks US No. 5 all-time for a freshman, according to the MileSplit database, and is the fastest since 2015 for a freshman.