This is too funny. i have AlWAYS wondered about this. I know when i race mtb, well, i get my nervous pee's done before hand...

One 24 hour relay race, i pulled off the trail to pee, but i guess all the guys saw me walking and kept asking me if i was ok, just as i was pulling my shorts down. After the 5th guy, i realized my helmet light was still on! click and aaaahhhh...I really had to go