CHAPTER ELEVEN
Riley fought back the dizziness that threatened to slow her down. She was short of breath and her heart was pounding. Still, she rushed ahead.
She was determined to complete this exercise.
Dashing across the gym floor, pausing to crouch beside a plastic cone marker, getting back to her feet, whirling in the other direction, running again—Riley would wind up sprinting a total of 120 yards. Running was hard enough after the grueling work she’d already done this morning, but all the stopping and starting and whirling really made the shuttle run difficult. When she skidded to her final stop, she bent over and put her hands on her knees, swallowing down welcome gulps of air.
Riley wiped her forehead, feeling pretty pleased with herself. Before the shuttle run, she’d completed
