Race Comment Explainer

Original comment with matches highlighted:

held up in ng 4, ut, wea when pecking on landing 4 out, weakened 3 out, tailed off

Matched phrases & meanings

Phrase	Meaning
tailed off	A definitive statement that the horse was finished and effectively out of the race
Weakened	The horse lost speed and dropped back through the field.
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
The horse lost speed and dropped back through the field.
Intentionally raced patiently at the back to save energy.
The horse was moving up through the field.
Running near the back of the field.