I’m training for amarathon and get annoyed by having to stop to urinate during my training runs. I drink a lot the day before, and I drink about 8 ounces 45 minutes before I start. I then have to pee at mile 2, then mile 5. The urine is a light color. I’m tempted to not drink anything…
The kidneys need about 45 to 90 minutes to process liquid; nerves might hasten the process! Try drinking earlier, void the excess, and then tank up again. For example, if have a long run on Sunday at 8:00 am. Drink well the day before (stopping by 7:00 p.m, so you don't wake up 5 times during the night to go to the bathroom), then in the morning, have a good drink by 6:00-6:30. That should give you time to get rid of the excess water.
Alternatively, if drink well the day before and are well hydrated, you could drink 8 to 12 ounces right before you start the run, so the water will be in your system and not in your kidneys.
Experiment and learn what works best for your body!
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