The Ohio Harness Horsemen’s Association (OHHA) is a non-profit organization serving Standardbred horse owners, breeders, trainers, drivers and fans who participate in the sport of harness racing in the Buckeye State. OHHA was founded in 1953. The mission of the Ohio Harness Horsemen’s Association is to preserve, protect, promote and serve the entire Standardbred industry in Ohio and beyond. We also have on-track representatives at Northfield Park, Miami Valley Gaming, Scioto Downs and Dayton Raceway. To join the OHAA go to our webiste at ohha.com.