Our expert says:
If you aren't thirsty during those 20 minutes, then it's fine. You will never become dehydrated in only 20 minutes, and so it is quite safe to run for that length of time and not drinking anything at all. there are people who don't drink on a 2 hour run, and that's also fine. The point to remember is that as soon as you are finished, you will drink, if you need it. And you know you need it because you become thirsty, your mouth is dry. So then if you drink, you replace the water that was lost. And it doesn't have to be replaced immediately - you can replace that water loss over the course of hours, and it's also fine. So I guess you needn't worry about it - the practice of taking water and reminding yourself to drink is not needed. You don't need to tell yourself to drink, all you need to do is listen to the body, and it sounds as though you have been doing that, so there's no problem.
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