Race Comment Explainer

Original comment with matches highlighted:

chased leaders, weakened ra before , rapidly doon after, well

Matched phrases & meanings

Phrase	Meaning
Chased leaders	Running directly behind the horses in front of the field.
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
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.
halfway	The horse was patiently ridden up to the middle point

Summary

Running directly behind the horses in front of the field.
The jockey started to urge the horse (hand-riding, not necessarily using the whip).
A definitive statement that the horse was finished and effectively out of the race
The horse lost speed and dropped back through the field.
The horse was patiently ridden up to the middle point