Race Comment Explainer

Original comment with matches highlighted:

prominent, led 3 out, pushed along before 2 out, asserted after last, won going away

Matched phrases & meanings

Phrase	Meaning
Won going away	This means the horse was the strongest finisher and, if the race had been longer, the margin of victory would have continued to increase.
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).

Summary

This means the horse was the strongest finisher and, if the race had been longer, the margin of victory would have continued to increase.
The jockey started to urge the horse (hand-riding, not necessarily using the whip).