If you’ve been around competitive runners, you’ve probably heard about “doubles”—running twice a day. For elite athletes, double runs are almost a badge of honor. But for the recreational runner who has a job, family, and training plan already packed, the obvious question is: Do I need to do this? Probably not, but maybe. Let’s talk about why doubles exist, who actually benefits, and who should leave them off the calendar. Why Double Runs Exist The main goal of a double run i