Race Comment Explainer

Original comment with matches highlighted:

prominent, edged towards centre when led inside 2f out, ran on well final furlong,

Matched phrases & meanings

Phrase	Meaning
Furlong	Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).
readily	The horse won easily, without having to be pushed to its absolute limit, suggesting it had more to give.
Ran on	The horse maintained or increased its speed in the final stages.

Summary

Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).
The horse won easily, without having to be pushed to its absolute limit, suggesting it had more to give.
The horse maintained or increased its speed in the final stages.