Maggie Williams runs for Summit High School. On Wednesday, Williams set a goal to break the school record in the 800-meter race. She ran the first lap in 61 seconds. Her head coach, Dave Turnbull, ran to the 200-meter mark to give her guidance on the last half lap. “It was a beautiful day, probably one of the nicest days we’ve had in the last couple months,” Turnbull said. “No wind, 65 degrees. [Maggie] was ready to go.” When Turnbull looked back to see Williams at the finish line, he couldn’t find her. “I thought maybe she took a knee,”...