weight for age

not-comparable

(horse racing) Handicapped according to the age of the racehorse competing (and certain other factors).

Japanese Meaning

競走馬が出走する際、年齢に応じた負担重量の調整を行う方式。 / レースにおける年齢別ハンディキャップ制度の一つ。

The filly competed weight for age and secured a surprising victory.

その牝馬は年齢に応じた斤量で出走し、驚きの勝利を収めた。

Sense（1）

(horse racing) Handicapped according to the age of the racehorse competing (and certain other factors).