Quote Originally Posted by maillotpois
I suspect this is one of the reasons the pro women's races tend to be shorter distances. I can do 115 miles in 5 1/2 hours without a bathroom break. This has to be about the limit, time-wise, for how long you can hold it.

This is just a theory - anyone with a real answer should jump in!
Good gawd you're fast! I can do 115 miles in 6 1/2 hours IF I push HARD!