Race Comment Explainer

Original comment with matches highlighted:

in rear, some headway home turn, pushed along before 5 out, no response

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
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.
Headway	The horse was moving up through the field.
Rear	Running near the back of the field.

Summary

The jockey started to urge the horse (hand-riding, not necessarily using the whip).
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 was moving up through the field.
Running near the back of the field.