Race Comment Explainer

Original comment with matches highlighted:

chased leaders, and no extra 2f out, ridden and when urlong inside final

Matched phrases & meanings

Phrase	Meaning
Chased leaders	Running directly behind the horses in front of the field.
Short of room	Blocked or crowded by other horses, unable to make progress.
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
No extra	Did not improve or accelerate when asked.
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.
Blocked or crowded by other horses, unable to make progress.
The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Did not improve or accelerate when asked.
Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).