How to Correct for Urine Loss While Running

When you lose your weight, we're to measure pre post. Most of it's going to be fluid loss, but you are longer than you are losing some substrate too. So I'm going to bring some fat. You are burning, actually some muscle, some glycogen. And that plays a role in the change in body mass. But when you're just measuring your sweat loss for like an hour, a couple hours, you don't really need to worry about that.