Race Comment Explainer

Original comment with matches highlighted:

midfield, rapid headway inside final furlong, led inside final 110yds, won going away

Matched phrases & meanings

Phrase	Meaning
Won going away	This means the horse was the strongest finisher and, if the race had been longer, the margin of victory would have continued to increase.
Furlong	Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).
Headway	The horse was moving up through the field.

Summary

This means the horse was the strongest finisher and, if the race had been longer, the margin of victory would have continued to increase.
Unit of distance; one furlong is 1/8 of a mile (approx. 200 meters).
The horse was moving up through the field.