That is why I liked whenever I was pulling my kid in a trailer, took me out of the competition.
Although I have to add that my finest cycling triumph was pulling said trailer (w/kid) on W&OD trail a few years back. I was hammering it pretty hard, you'd be surprised how little a trailer slows you down on flat ground, esp. w/trailer tires pumped up a bit. Well, some younger guy, full-on roadie gear, does edge past me, but as he does so he also mutters, "d*mn fast pace for pulling a trailer..".
About 25 years ago, when I was in New London at sub school, me and my roommates were all into cycling, commuting to work, etc. Bruce, who went on to serve on the USS Houston and helped out w/filming of "Hunt For Red October", was just an animal on the cycle, could drop all of us seemingly effortlessly. This was even more incongruous because he was the least into cycling of any of us and was a real big guy and a little bit plump. In no way was he a "cycling enthusiast", he was just doing it because the rest of us were and had picked up a cheap bike somewhere. But he could really smoke people and actually seemed a little unaware of how strongly he could ride.
So, this was bad enough, but...
Remember that "cheap bike"? One day, one of my roommates starts fooling around w/Bruce's bike and notices that the bottom bracket was sort of stiff. Actually, it was really stiff - as in quite hard to turn with your hands, not just a little grindy, the bottom bracket was completely toast adding how many watts of drag I don't know, but it was a lot. But ol' Bruce never seemed to notice....
I still don't feel like I've quite lived that down.