Black runners make exhaustive mental checklists, are confronted by suspicious neighbors and fear for their lives when they go out to log miles. We asked readers to share their experiences of “running while black.” Here is a selection of those submissions, led by an essay from Kurt Streeter, one of our writers. Responses have been edited for clarity and length. SEATTLE — Our jog was just beginning when my young son asked the question. “Dad, today can we go through my favorite neighborhood?” During the pandemic, we’ve made a habit of running together in the early evening. We course down...