Thistledown, located in Cleveland, is a racetrack owned and operated since 1999 by Magna Entertainment, and is one of the largest owners and operators of horse racetracks in North America,. It is one of the world's leading suppliers, via simulcasting, of live racing content to the growing inter-track, off-track and account wagering markets. Thistledown has one of the longest racing seasons of all North American thoroughbred racetracks, covering more than 180 racing days between March and December. Each year it hosts the Ohio Derby, which is the premier graded stakes race in Ohio and one of the top races for three-year olds in the country. Thistledown's facilities include a one-mile oval track.