Race Comment Explainer

Original comment with matches highlighted:

pressed leader, tracked leaders 5th, and quickly before last

Matched phrases & meanings

Phrase	Meaning
Tracked leader	Followed closely behind the leaders.
Pressed leader	Applied pressure to the horse in front.
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

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