Originally Posted by Speechless
"Ring fit". I guess that's a good way to describe someone who shouldn't have better cardio than you, but can somehow beat your ass for 5 or 6 rounds.
My kickboxing coach was 47. He seemed to go on forever, was fast and was so hard to hit. Rib injuries were one of the main reasons I stopped kickboxing to focus on boxing.
It's because these old guys have to be efficient with their movement. Boxers don't have to be all that fit really, just look at James Toney.