Race Comment Explainer

Original comment with matches highlighted:

tracked leader until leaders, wea 3f out, chased leaders, 2f out

Matched phrases & meanings

Phrase	Meaning
Chased leaders	Running directly behind the horses in front of the field.
Tracked leader	Followed closely behind the leaders.
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
Weakened	The horse lost speed and dropped back through the field.

Summary

Running directly behind the horses in front of the field.
Followed closely behind the leaders.
The jockey started to urge the horse (hand-riding, not necessarily using the whip).
The horse lost speed and dropped back through the field.