Race Comment Explainer

Original comment with matches highlighted:

towards rear, pushed along from 3 out, when last, run-in

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Towards rear	Running near the back of the field.
not fluent	The horse jumped the tenth fence/hurdle poorly or awkwardly
Weakened	The horse lost speed and dropped back through the field.
Outpaced	Could not keep up with faster horses mid-race.

Summary

The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Running near the back of the field.
The horse jumped the tenth fence/hurdle poorly or awkwardly
The horse lost speed and dropped back through the field.
Could not keep up with faster horses mid-race.