Race Comment Explainer

Original comment with matches highlighted:

soon raced in fourth, pushed along when to rear, 3f out, soon dropped to , 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.
Outpaced	Could not keep up with faster horses mid-race.
Rear	Running near the back of the field.

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.
Could not keep up with faster horses mid-race.
Running near the back of the field.