out of competition testing

All race day test samples (post-race and TCO2) collected from contenders in the 2025 Breeders' Cup held Oct. 31-Nov. 1 at Del Mar Thoroughbred Club have been cleared by the Horseracing Integrity & Welfare Unit (HIWU) and purse distribution has begun accordingly, the organizer said in a press release on Friday. In 2025, the Breeders' Cup was run for a third year 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 2023 and...

Edited Press Release The Breeders' Cup World Championships at Santa Anita Park will be conducted according to industry-leading safety and integrity protocols to ensure the wellbeing of all human and equine athletes. As previously announced, Breeders' Cup introduced an enhanced pre-screening protocol in the lead-up to this year's World Championships, upholding its ongoing commitment to putting safety first. This year also marks the first time the Breeders' Cup World Championships will run under the full jurisdiction of the Horseracing Integrity and Safety Authority (HISA), including the Anti-Doping and Medication Control...

Edited Press Release The anticipated implementation of the Horseracing Integrity and Safety Authority's (HISA) Anti-Doping and Medication Control (ADMC) Program by the Horseracing Integrity & Welfare Unit (HIWU) on Mar. 27 will strengthen equine welfare and enhance confidence in the fairness of the sport. Here are the top 10 ways HISA's ADMC Program will change racing for the better: 1. For the first time, rules will be uniform and standardized across all states. The ADMC Program will bring all testing and results management under one central authority, ensuring greater transparency,...

The Horseracing Integrity and Safety Authority (HISA) announced the proposed implementation date of the Anti-Doping and Medication Control (ADMC) program Tuesday, saying out-of-competition testing would be administered, under HISA's jurisdiction, beginning with the program's effective date in July 2022. Race-day testing would remain under the jurisdiction of state regulators until the beginning of 2023 at which point this would transition to HISA's jurisdiction. The proposed structure was announced by HISA Board Chair Charles Scheeler at the Global Symposium on Racing, hosted by the University of Arizona. Scheeler addressed the industry...

Australian runners trained by Aidan and his son Joseph O'Brien have undergone tests by Racing Victoria to see if they came back positive for the synthetic substance Zilpaterol, which had been found in contaminated GAIN feed. Both O'Briens and Aidan's other son Donnacha were forced to scratch all of their runners on Arc Sunday after they tested positive for the substance. The O'Briens' 10 horses arrived in Melbourne on Friday night and are under quarantine for two weeks at the International Horse Centre in Werribee. A statement by Racing Victoria...