Progression
See how Jack is progressing
Every mark Jack has run, plotted over time — watch times drop race by race, catch breakout performances, and compare season to season for every event.
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Colorado School of Mines Golden, CO
Oak Ridge (SJ) Class of 2016 El Dorado Hills, CA
Follow AthleteProgression
Every mark Jack has run, plotted over time — watch times drop race by race, catch breakout performances, and compare season to season for every event.
Join MileSplit PRO Already a PRO member? Log in