You know what you need to work on, where your weaknesses lie, and you want to address them quickly and intelligently. Being able to see or measure improvement lesson to lesson only seems fair given your time and monetary investments. And you want what you learn to be repeatable without a coach, so that your improvement can be permanent.
This is how a Race Day Coaching training session (or series) typically goes:
The student seen in the photo above, is working on making a high-elbow catch.