Race Comment Explainer

Original comment with matches highlighted:

held up in , so, not fluent 4th, mistake 3 out, soon pushed along, no impression before last

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
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).
The horse jumped the tenth fence/hurdle poorly or awkwardly
Intentionally raced patiently at the back to save energy.
Running near the back of the field.