Race Comment Explainer

Original comment with matches highlighted:

chased leaders, eft inside f 2f out, edged left inside final furlong, second

Matched phrases & meanings

Phrase	Meaning
edged left inside final furlong	Under pressure from the jockey's urging or from fatigue, the horse drifted slightly to the left within the last 200 meters.
Chased leaders	Running directly behind the horses in front of the field.
Pushed along	The jockey started to urge the horse (hand-riding, not necessarily using the whip).
just held	The horse's powerful late run was not quite enough, and it lost the race by the narrowest possible margin (e.g., a nose or short head).

Summary

Under pressure from the jockey's urging or from fatigue, the horse drifted slightly to the left within the last 200 meters.
Running directly behind the horses in front of the field.
The jockey started to urge the horse (hand-riding, not necessarily using the whip).
The horse's powerful late run was not quite enough, and it lost the race by the narrowest possible margin (e.g., a nose or short head).