Race Comment Explainer

Original comment with matches highlighted:

tracked leaders, went 2nd inner aft, driven to chase winner after 2 out,

Matched phrases & meanings

Phrase	Meaning
Tracked leader	Followed closely behind the leaders.
Stayed on	Continued to finish but without closing the gap significantly.
home turn	This is the final bend or corner of the track, just before the horses enter the final straight run to the finish line.
One pace	The horse maintained its speed but could not accelerate or quicken.

Summary

Followed closely behind the leaders.
Continued to finish but without closing the gap significantly.
This is the final bend or corner of the track, just before the horses enter the final straight run to the finish line.
The horse maintained its speed but could not accelerate or quicken.