Race Comment Explainer

Original comment with matches highlighted:

dwelt, towards rear, pushed along well over 1f out, final ,

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Towards rear	Running near the back of the field.
Never nearer	The horse's closest point to the leader was the position it finished in (ran on late).
Furlong	Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).
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).
Running near the back of the field.
The horse's closest point to the leader was the position it finished in (ran on late).
Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).
The horse maintained or increased its speed in the final stages.