Race Comment Explainer

Original comment with matches highlighted:

handy, shaken up after 2 out, led last, ridden run-in, stayed on well,

Matched phrases & meanings

Phrase	Meaning
Stayed on	Continued to finish but without closing the gap significantly.
readily	The horse won easily, without having to be pushed to its absolute limit, suggesting it had more to give.
Handy	Running very near the leaders (usually 2nd, 3rd, or 4th).

Summary

Continued to finish but without closing the gap significantly.
The horse won easily, without having to be pushed to its absolute limit, suggesting it had more to give.
Running very near the leaders (usually 2nd, 3rd, or 4th).