I carry a lot of water on my bike, when I cycle. A camelback with a 3liter reservoir and 2 bottles of 0.7liters.
When running dehydration is not yet an issue, as I run half an hour maximum at the moment, but might become one in the future.
When I was on a race this summer, about 100km, a buddy of mine only drank half of his 0.7liter bottle while I nearly emptied all of my resources.
I really like to drink a lot, but carrying the camelback or not will probably make a difference when biking. Is there an efficient way to cut down on my hydration needs and get my body used to drinking less while racing and to run longer without drinking?