The Detraining Effect: Why the 2-Week Gap Between Indoor and Outdoor Track Matters.
A few years ago, I watched one of the most talented athletes I’ve ever coached lose an entire outdoor season in 21 days. She’d just run 2:18 in the 800m indoors as a junior—a time that should’ve launched her into elite company by spring. College coaches were already calling. Her trajectory was set. Then she…