Race Comment Explainer

Original comment with matches highlighted:

held up towards rear, hampered after 2nd, some to go distant 3rd ,

Matched phrases & meanings

Phrase	Meaning
Towards rear	Running near the back of the field.
Plugged on	Kept going without showing much pace.
home turn	This is the final bend or corner of the track, just before the horses enter the final straight run to the finish line.
Held up	Intentionally raced patiently at the back to save energy.
Headway	The horse was moving up through the field.

Summary

Running near the back of the field.
Kept going without showing much pace.
This is the final bend or corner of the track, just before the horses enter the final straight run to the finish line.
Intentionally raced patiently at the back to save energy.
The horse was moving up through the field.