I’ve left similar tracks across countless water bodies but not once was I fleeing a flood.
One common thing I always say when people talk about “millions of years” is
“yeah, what was it like back then?”.
They usually don’t get it. No one currently claiming millions of years was there and is depending on present day processes to conjecture not only the timeframe, but what happened.
Yes, and because of that fact, your tracks were not preserved as fossils, but were washed away.
The author made a giant unwarranted leap in logic “swim tracks ergo Noah’s flood.”