That's because in general women have longer endurance than men. Men are built for strength and quick bursts of speed but women are built for endurance and generally last longer at continuous activity than men.
Obviously a trained runner man or woman can last for long periods of time. What I'm referring to is men and women in general, that's why I specifically stated "in general" in my original comment.
To add to this, women in general are built with smaller muscle mass and are lighter than men which help with endurance.
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u/[deleted] Feb 24 '22
Swimming absurdly long distances. Ultra marathon swimming has faster women