Race Comment Explainer

Original comment with matches highlighted:

held up in t on, pushed along over 3f out, al furl same pace entering final

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Kept on	The horse maintained its speed well to the finish.
Held up	Intentionally raced patiently at the back to save energy.
Furlong	Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).
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 maintained its speed well to the finish.
Intentionally raced patiently at the back to save energy.
Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).
Running near the back of the field.