The longest pee ever is 508 seconds long which is almost 8.5 minutes long.
Another related record in which someone held their pee was a Florida man that endured 30 days of holding his pee in, which watching the movie Spider Man: No Way Home and eventually broke the record for the longest pee holding time.
The Florida man held his pee for 30 days to break the record for holding his pee in.
Although it's not safe to do that, as holding your pee in too long can result in kidney failure and other health issues.
Always go pee when your body tells you to do so.
Holding your pee in for short periods of time, when you can't get to a toilet right away is okay, but holding your pee in for too long can cause issues.
There's also a claim that someone peed for as long as 36 minutes and 24 seconds, although that would actually be impossible.
For someone to pee continuously for 36 minutes and 24 seconds the person would have to release over 21 liters of pee in that time continuously, which is far beyond what a human bladder is capable of holding.
For an adult, the average pee would be around 20 seconds.
For a kid, the average pee is around 5 to 10 seconds depending on bladder size and how much pee they are holding.