Race Comment Explainer

Original comment with matches highlighted:

led at modest pace, headed halfway, remained d wel, pushed along 3f out, well over 1f out

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Weakened	The horse lost speed and dropped back through the field.
halfway	The horse was patiently ridden up to the middle point
Handy	Running very near the leaders (usually 2nd, 3rd, or 4th).

Summary

The jockey started to urge the horse (hand-riding, not necessarily using the whip).
The horse lost speed and dropped back through the field.
The horse was patiently ridden up to the middle point
Running very near the leaders (usually 2nd, 3rd, or 4th).