Race Comment Explainer

Original comment with matches highlighted:

in rear, pushed along over 3f out, out until over 1f out

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Weakened	The horse lost speed and dropped back through the field.
Kept on	The horse maintained its speed well to the finish.
Rear	Running near the back of the field.

Summary

The jockey started to urge the horse (hand-riding, not necessarily using the whip).
The horse lost speed and dropped back through the field.
The horse maintained its speed well to the finish.
Running near the back of the field.