Kentucky is a pretty unique course, had a look on youtube and its almost like a typical European course with the sweeping bend into the straight
The variation in topography in the top UK courses is, for want of a better term, only casually considered in a descriptive format in any publicly/commercially available form figures.
Until you visit some of the tracks in person its difficult to appreciate the opportunity a horse has to unbalance itself due to a mental or physical immaturity from video / sectional analysis.
The English Oaks Enable won is probably as good an example as any in a horse having multiple questions to answer in a race and working through them