#US RACING: All Breeders’ Cup Post-Race Sample Cleared


All post-race test samples taken from contenders in the 2023 Breeders' Cup World Championships Nov. 3-4 at Santa Anika Park have been cleared by the Horseracing Integrity & Welfare Unit (HIWU). Purse distribution has begun accordingly.

2023 marked the first year the Breeders' Cup World Championships were run under the full jurisdiction of the Horseracing Integrity & Safety Authority (HISA), including the Anti-Doping and Medication Control (ADMC) Program, which took effect in May of this year and is implemented and enforced by HIWU.

As was the case under Breeders' Cup's anti-doping and medication control rules that were in place before HISA's ADMC Program was implemented, medication is prohibited within 48 hours of the 14 Championship races and the undercard. All potential Breeders' Cup competitors were also subject to out-of-competition testing for banned substances.


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