Race Comment Explainer

Original comment with matches highlighted:

tracked leaders, 7th 5 out, 6th when ng in mode 3 out, 2 out, no e in moderate 4th 2 out,

Matched phrases & meanings

Phrase	Meaning
Tracked leader	Followed closely behind the leaders.
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
not fluent	The horse jumped the tenth fence/hurdle poorly or awkwardly
No extra	Did not improve or accelerate when asked.

Summary

Followed closely behind the leaders.
The jockey started to urge the horse (hand-riding, not necessarily using the whip).
The horse jumped the tenth fence/hurdle poorly or awkwardly
Did not improve or accelerate when asked.