Horseracing Integrity & Welfare Unit-HIWU

06/26/2026

You asked, we listened! The HIWU website includes a searchable view of both pending and resolved cases. This update makes it easier to access case information and stay informed about ADMC Program activity.

Explore pending and resolved cases here: https://www.hiwu.org/cases/search-cases

06/24/2026

Don’t forget! HIWU educational resources are also available in Spanish. Visit www.hiwu.org/education-and-resources to access translated materials of the Anti-Doping and Medication Control Program.

06/23/2026

Trainer Michael Lerman writes in to 'Ask HIWU' about their procedures for Out of Competition testing, and to understand why they were made.

06/17/2026

Michelle Pujals Retires as General Counsel; Janelle L. Winston Named Successor

06/11/2026

Have questions about Out-of-Competition Testing? Learn more about how testing selection notifications are issued, what samples are collected, what participants can expect under HISA's ADMC Program, and more:

Under HISA’s Anti-Doping and Medication Control (ADMC) Program, Out-of-Competition (OOC) Testing will be administered nationwide by the Horseracing Integrity & Welfare Unit (HIWU). HIWU will implement and enforce intelligence-based testing strategies to promote the integrity of Thoroughbred racing...

06/09/2026

The HIWU mobile app puts Program resources at your fingertips. Access educational materials, important updates, Program information, and more. If you haven't explored the app yet, download it today.

Google Play: https://play.google.com/store/apps/details?id=com.hiwuapp&pli=1
App Store: https://apps.apple.com/us/app/hiwu/id6450844736?platform=ipad

06/05/2026

HEAL accreditation helps ensure laboratory testing under HISA’s ADMC Program is accurate, reliable, and consistent. Learn more about the standards and quality assurance measures behind the Program: https://www.hiwu.org/education-and-resources/hisa-equine-analytical-laboratory-heal-accreditation

06/04/2026

Weight and potency are not the same thing. A substance can be present in a small amount yet still have a significant effect, while a larger amount of a less potent substance may have little impact.
Learn more by watching the video in our comments below.

06/03/2026

The upcoming RMTC certification program is designed to help trainers identify products tested for prohibited substances.

Details in the comments.

05/29/2026

See something? Say something! Anyone can share an anonymous tip regarding potential violations of HISA’s Racetrack Safety and/or ADMC Programs via phone, text or email. https://www.hiwu.org/tip-line