Race Comment Explainer

Original comment with matches highlighted:

prominent, pushing turning for home, weakened and ridden before final ,

Matched phrases & meanings

Phrase	Meaning
ridden before	The jockey started urging the horse aggressively before the second-last obstacle to try and get it back into contention.
Plugged on	Kept going without showing much pace.
One pace	The horse maintained its speed but could not accelerate or quicken.
Weakened	The horse lost speed and dropped back through the field.
Furlong	Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).

Summary

The jockey started urging the horse aggressively before the second-last obstacle to try and get it back into contention.
Kept going without showing much pace.
The horse maintained its speed but could not accelerate or quicken.
The horse lost speed and dropped back through the field.
Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).