That's only true for men. As a woman, I'm usually incentivised to have multiple orgasms. The record for me was about 140 orgasms in a session. But it wasn't a single hour, it was several hours. So not the world record hahaha.

Also it's very easy for women to orgasm if the clitoris is stimulated. I can bring myself to orgasm in about 40 seconds. Yes, through penetration it's more difficult. But it's a different kind of pleasure.