The Ontario Sires Stakes program stallion registration form is now live.

Those wishing to register a stallion with the OSS Program for 2026 can do so by filling out the online stallion registration form.

A pdf version of the application form can be downloaded here for those wishing to submit a paper copy.

If you require assistance contact the OSS Program Coordinator, Christina Saftic, at 416-407-4841 or at ossprogram@ontarioracing.com

Please note that stallions must be registered with the program prior to any mare(s) being bred to be eligible for OSS57.

The stallion registration deadline is Thursday, January 15, 2026.