Challenge races

Bidding on Fasig-Tipton's digital platform opened Friday, Oct. 10 and will close Thursday, Oct. 16 at 6 p.m. ET for the Fall Flash Sale, a boutique two-entry auction offering a pair of fillies who have recently won Breeders' Cup prep races, the auction company said in a press release on Friday. The two offerings are: Iron Orchard (Hip 1): Undefeated 2-year-old daughter of Authentic won the GI Frizette Stakes, a Breeders' Cup "Dirt Dozen" race, this past Saturday to stamp herself among the leading contenders for the GI NetJets Breeders'...