Race Comment Explainer

Original comment with matches highlighted:

held up in ke n, pushed along after 7th, mistake next, soon

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
pulled up	The jockey stopped the horse from continuing
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 jockey stopped the horse from continuing
Intentionally raced patiently at the back to save energy.
Running near the back of the field.