Not at all, I was ~ 18-19 years old and all of 150lbs. I had taken them out sailing and they didn't want to get their feet sandy before getting in their dad's (very expensive) car to go to the restaurant.

Now that I think about it, it may have been one over each shoulder, not under each arm... it was a while ago and my memory isn't as good on details as I wish it was. I do remember it tired me out some and it took me longer than usual to put the G-Cat on the Cat-Trax and wheel it up the beach to my tie-down.