Race Comment Explainer

Original comment with matches highlighted:

close up towards rear, pushed along 4 out and no impression, before 2 out

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Towards rear	Running near the back of the field.
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).
Running near the back of the field.
The horse lost speed and dropped back through the field.
Running very near the leaders (usually 2nd, 3rd, or 4th).