Race Comment Explainer

Original comment with matches highlighted:

towards rear, 4 out, on wide outside after 4 out, ridden before 2 out, from 2 out

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.
Towards rear	Running near the back of the field.
One pace	The horse maintained its speed but could not accelerate or quicken.
Kept on	The horse maintained its speed well to the finish.
Headway	The horse was moving up through the field.

Summary

The jockey started urging the horse aggressively before the second-last obstacle to try and get it back into contention.
Running near the back of the field.
The horse maintained its speed but could not accelerate or quicken.
The horse maintained its speed well to the finish.
The horse was moving up through the field.