Race Comment Explainer

Original comment with matches highlighted:

led, faced challenge before 4 out, pushed along and headed before last, run-in

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
One pace	The horse maintained its speed but could not accelerate or quicken.
Ran on	The horse maintained or increased its speed in the final stages.

Summary

The jockey started to urge the horse (hand-riding, not necessarily using the whip).
The horse maintained its speed but could not accelerate or quicken.
The horse maintained or increased its speed in the final stages.