Timing electrolyte intake around running depends on the length and intensity of your run, the weather, and how much you sweat. For short, easy runs in cool conditions, water before and after is usually enough. For long runs, hot or humid workouts, or if you are a heavy or salty sweater, electrolytes before, during, and after can help maintain fluid balance and reduce cramping risk. The best approach is usually a combination: pre-run hydration, electrolytes during longer efforts, and post-run replacement to recover what you lose in sweat.