Race Comment Explainer

Original comment with matches highlighted:

close up, not fluent 4th, pushed along before 2 out, ridden and tamely

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
not fluent	The horse jumped the tenth fence/hurdle poorly or awkwardly
home turn	This is the final bend or corner of the track, just before the horses enter the final straight run to the finish line.
Weakened	The horse lost speed and dropped back through the field.
Close up	Running very near the leaders (usually 2nd, 3rd, or 4th).

Summary

The jockey started to urge the horse (hand-riding, not necessarily using the whip).
The horse jumped the tenth fence/hurdle poorly or awkwardly
This is the final bend or corner of the track, just before the horses enter the final straight run to the finish line.
The horse lost speed and dropped back through the field.
Running very near the leaders (usually 2nd, 3rd, or 4th).