|What's our vector Victor?|
Ran 13 miles in Umstead this morning (yes, my knees, achilles, calf, soleus, and hip are feeling better. Thanks for asking!). I weighed myself before and after, and I lost 5 pounds.
No bathroom breaks, so it was almost entirely all sweat. And because it is summer in NC, the humidity is 99% and none of that sweat evaporated. I am not sure where it goes. I guess it is flung at people passing by on bikes.
Anyway, 5 pounds of sweat is roughly 0.6 gallons. That comes to be 21.6 miles to the gallon.
Better than my car usually gets. Still, I guess for my long run I'll need a gallon jug of water.