When indoor track Coach James Carter suggested she try the 500-meter race, 9th grader Blake Lawrence-Johnson wasn’t expecting to set a new school and meet record. Her focus had always been the 400. But what started as a strategy to build endurance during the indoor season quickly turned into something much bigger. “I saw an opportunity to build my endurance for the 400 during outdoor season,” she said. “I had no plans of breaking the school and a meet record (in Winston-Salem in January) my...