Two Japanese videos of no-toilet challenges.
https://www.youtube.com/watch?v=YC_gOfkFmBE
Subject is 22 years old. The challenge is for both participants to last 1 hour wearing only short sleeved T-shirt in cold weather of 3 to 5 degrees Celsius.
5:20 - Bladder press punishment for loser of roulette spin.
8:25 - They start to play a game.
10:15 - Bladder press punishment for loser of game.
10:50 - They start to play another game.
12:00 - Bladder press punishment for loser of game.
12:30 - Subject admitted that he leaked during the bladder press.
14:40 - Mad rush to the toilet. Is the subject grabbing himself?
14:55 - The text, when translated, says "it's already out."
https://www.youtube.com/watch?v=uMY9Rtezkbk
The 3 participants go about buying and consuming 10000 yen worth of food in the Kyoto area. During the course of the challenge, 2 of the guys were seen drinking a can of beer each, but the subject finished a 500 ml bottle of Coca Cola.
1:35 - Last chance to use the toilet.
11:10 - "Stomachache, with the need to pee at level 6."
12:05 - Text mentioned "21 years old." I assume that is the age of the subject.
14:25 - Urgency resulting in crossing the road with a red light.
15:00 - "I have reached my limits" followed by very visible wetting. It seems that the subject could not stop going despite grabbing himself.