Race Comment Explainer

Original comment with matches highlighted:

held up in re 2, minor on tail and driven before 2 out, soon tailed off

Matched phrases & meanings

Phrase	Meaning
tailed off	A definitive statement that the horse was finished and effectively out of the race
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

A definitive statement that the horse was finished and effectively out of the race
Intentionally raced patiently at the back to save energy.
The horse was moving up through the field.
Running near the back of the field.