Vyjack with his weanlings at Machmer Hall. August 2026. Vyjack was a talented athlete that ran in the Kentucky Derby, won multiple graded stakes, set a track record, and earned more than $1.4 million. Now, more than a decade after his racing career began, the Machmer Hall-bred gelding has taken on a very different role: babysitter to the farm’s next generation of stars. Vyjack's Pedigree & Early Life - A Breeding Chosen By Fate: At the 2008 Keeneland November Sale, Craig and