
Effective immediately, horsemen are urged to discontinue the use of any and all adjunct bleeder medications for horses in training, including in particular, aminocaproic acid—commonly called Amicar.
Amicar and several other adjunct bleeder medications were placed on the Prohibited List in 2013 under the Association of Racing Commissioners International Uniform Classification Guidelines for Foreign Substances and Recommended Penalties Model Code and the National Uniform Medication Program. Aminocaproic acid, for example, is a Class 4 substance and penalty Class C.



MTHA has launched a redesigned mdhorsemen.com, featuring a fresh look and a more organized layout that makes it easier for owners, trainers and backstretch workers to find the information they need.

The next Maryland Thoroughbred Horsemen's Association Board of Directors meeting has been scheduled for Tuesday, November 24 at 11 a.m.

MTHA has launched a dedicated 2026 Board of Directors Election page at mdhorsemen.com/election, bringing candidate profiles, voting instructions and election resources together in one convenient location.
