Race Comment Explainer

Original comment with matches highlighted:

held up in hrea, detached home turn, never a threat

Matched phrases & meanings

Phrase	Meaning
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.
Rear	Running near the back of the field.

Summary

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.
Running near the back of the field.