Race Comment Explainer

Original comment with matches highlighted:

prominent, chased leaders after 4 ropped s, y 3f out and dropped away 3f out

Matched phrases & meanings

Phrase	Meaning
Chased leaders	Running directly behind the horses in front of the field.
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Furlong	Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).

Summary

Running directly behind the horses in front of the field.
The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).