Race Comment Explainer

Original comment with matches highlighted:

held up in dway, pushed along over 2f out, and drifted left over 1f out, same pace

Matched phrases & meanings

Phrase	Meaning
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Kept on	The horse maintained its speed well to the finish.
Held up	Intentionally raced patiently at the back to save energy.
Headway	The horse was moving up through the field.
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 maintained its speed well to the finish.
Intentionally raced patiently at the back to save energy.
The horse was moving up through the field.
Running near the back of the field.