Race Comment Explainer

Original comment with matches highlighted:

chased leaders, ridden to lead over 2f out, headed well inside final ,

Matched phrases & meanings

Phrase	Meaning
ridden to lead over	The jockey started urging the horse, and the horse responded with a surge to take the lead
Chased leaders	Running directly behind the horses in front of the field.
Kept on	The horse maintained its speed well to the finish.
Furlong	Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).

Summary

The jockey started urging the horse, and the horse responded with a surge to take the lead
Running directly behind the horses in front of the field.
The horse maintained its speed well to the finish.
Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).