Race Comment Explainer

Original comment with matches highlighted:

held up in on, , pushed along 3f out, ut, no cha, went 3rd over 1f out, no chance with front pair

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Plugged on	Kept going without showing much pace.
Held up	Intentionally raced patiently at the back to save energy.
Rear	Running near the back of the field.

Summary

The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Kept going without showing much pace.
Intentionally raced patiently at the back to save energy.
Running near the back of the field.