Horseracing Integrity & Welfare Unit-HIWU

10/06/2026

HIWU announces the release of our Q2 2026 Report, featuring testing statistics, results management, and case adjudication details from April 1 through June 30, 2026. Read the full report here: https://www.hiwu.org/about/reports-and-statistics/hiwu-admc-program-statistics-q2-2026

09/30/2026

A Covered Horse doesn't have to be entered in a race to be tested. Out-of-Competition (OOC) Testing allows HIWU to conduct testing beyond race day as part of its nationwide efforts to protect the integrity of the sport and promote fair competition.

Learn more about how OOC Testing works, what to expect, and find answers to frequently asked questions by visiting the links below:

https://www.hiwu.org/education-and-resources/out-of-competition-testing-under-hisas-anti-doping-and-medication-control-program

https://www.hiwu.org/education-and-resources/faq-competition-testing

09/18/2026

Not sure about a substance? Before administering a medication or substance to a Covered Horse, check HIWU's Substance Lookup Tool. The tool enables horsemen and veterinarians to search substances and see their Banned or Controlled status under HISA's ADMC Program, as well as other helpful information. Search at hiwu.org/substances or on the HIWU mobile app today.

08/28/2026

Knowing the difference between Screening Limits, Thresholds, and Minimum Reporting Levels is important to understanding positive test results. Want to learn more? Watch our video to see how these testing specifications differ and why they matter:

Get to know the rationale behind testing and reporting specifications.

08/25/2026

Sample collection personnel are the backbone of the Horseracing Integrity and Safety Authority - HISA's Anti-Doping & Medication Control Program. They conduct more than 70,000 sample collection sessions annually in accordance with Program Rules. What training is involved to be able to fill this vital role?

08/18/2026

Horseracing Integrity and Safety Authority - HISA's Anti-Doping and Medication Control Program is more than making sure competitors are following the rules; it’s about ensuring that sample collection is conducted professionally in accordance with Program Rules to protect the integrity of the process for all participants.

08/12/2026

Did you know that HIWU oversaw more than 6,000 Out-of-Competition (OOC) Sample Collection Sessions in 2025? HIWU's FAQ document answers common questions about OOC Testing, including test selection, regulated substances, the notification process, and more. Review this resource to stay informed: https://www.hiwu.org/education-and-resources/faq-competition-testing

08/06/2026

Did you know? HIWU-certified Sample Collection Personnel follow a series of strict protocols to ensure proper hygiene in the test barn and during the sample collection process.

07/24/2026

Picogram levels in positive tests are often misunderstood. Watch the video below to explore why it's crucial to look beyond "picograms" when discussing potential violations. https://www.hiwu.org/education-and-resources/what-is-a-picogram

07/17/2026

Clenbuterol is permitted only under specific circumstances and requires mandatory reporting through the HISA Portal. For more information, visit: https://www.hiwu.org/education-and-resources/conditions-for-clenbuterol-use-under-hisas-admc-program