Polytrack devils advocates please respond

Originally Posted by Sightseek

Exactly how I feel which made me ask....

Thats three.
Ok so now that we have those thoughts.
Explain what level of animal(age, distance, class) has to run in it in order for us to get a read on it. Seriously. because you've now cut two year olds out of the mix.
Grass doesn't apply.
So are you saying its gotta be an older horse? because history is littered with older horses who go in and out of form as well.
Near as I can tell you are saying something like an unbeaten olderhorse or mare has to run on it in order to get a read on it.