Race Comment Explainer

Original comment with matches highlighted:

took keen hold, soon steadied into rear, pushed along over 3f out, no

Matched phrases & meanings

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

Summary

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