>>529413872
Most get umafied after they retire, especially now after Tact got announced early and her trajectory went haywire afterwards.
Dirt horses last longer than turf though. The current oldest G1 winner is still Wonder Acute at 9 years of age when he won the Kashiwa Kinen in 2015.
He now does paintings at Versailles Farm which sold for 1 million yen clams.