Most Tuesdays, I run early in the morning with a woman named Meredith. For such close friends, we’re quite different. Meredith is a voluble social worker who draws energy from crowds. I’m an introverted editor who works from home. Meredith runs her best in large races and loves training with big groups. I’ve set PRs in solo time trials and tend to bail when a run’s head count gets above five. Meredith is a worrier, beset by regrets and anticipated outcomes, who has sought treatment for anxiety. I have dysthymia, or chronic low-grade depression. We like to joke that Meredith...
