Arch won the Grade 1 Super Derby and sired many notable stakes winners.
Frank Brothers brought Arch back as a three-year-old in April to win an allowance race.
On the second turn, he made his move and battled down the stretch with eventual Gr.2 millionaire Classic Cat.
Arch beat Touch Gold (the previous year’s Belmont Stakes winner) by a neck in a record time of 1:53.87.
[2] In the 1998 Breeders' Cup Classic at Churchill Downs, Arch placed ninth in a 10-horse field that included Skip Away, Swain, Silver Charm and Victory Gallop.