After drinking water how long after will you feel hydrated?

Feel hydrated. Before a big sporting event athletes push fluids the day before . Though you may feel hydrated, it takes many hours before your body absorbs and properly uses the hydration.
Usually very quickly. It also depends on just how dehydrated you are. If your urine is dark or minimal amount is made you are likely very dehydrated. It is usually not a good idea to drink fluid too quickly to rehydrate yourself. The cause of dehydration is also very crucial. Generally the body begins to absorb water in the stomach. The greatest degree of fluid resorption occurs in the right colon.