Why is it swim, bike, run?

A quick bit of history I have not been able to find any official reasons that we swim, bike, run but about one hundred years ago the French did bike, run, canoe events. This is even coming back in the form of run, kayak, bike and other sports as well. The first modern triathlon was

To get a coach or not?

Do you need a coach or a plan for your next race? I have had a few coaches over the past few years, a running coach, two cycling coaches, one swim instructor, and one swim coach. Swim coach and instructor, what? I learned to swim at 52 years old and then I got a coach