Race Comment Explainer

Original comment with matches highlighted:

led, not fluent 2nd, pushed along and headed 2 out, soon ridden, until run-in

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
not fluent	The horse jumped the tenth fence/hurdle poorly or awkwardly
Weakened	The horse lost speed and dropped back through the field.
Kept on	The horse maintained its speed well to the finish.

Summary

The jockey started to urge the horse (hand-riding, not necessarily using the whip).
The horse jumped the tenth fence/hurdle poorly or awkwardly
The horse lost speed and dropped back through the field.
The horse maintained its speed well to the finish.