about 50 gallons or about 40 litres
Adults need to drink eight to ten glasses of water per day
Twice as much as a child.
an adult need sleep of maximum 8 hours.
they drink water.
alot
i cant answer for you sorry
They should drink as much as their body tells them to. Your body has thirst sensors and they will tell the runner if they need to drink and how much.
You can not drink enough.
70000 kl
you dont drink or you dont drink that much, or you need to see a doctor
As much as they need
6-8 cups