Tags: Horse Race, Race.
The Del Mar Derby is an American thoroughbred horse race run annually during the first week of September at Del Mar Racetrack in Del Mar California. A Grade II race open to three-year-old horses it is contested on turf over a distance of one and one-eighth miles (9 furlongs).Inaugurated in 1945 as the Quigley Memorial Handicap at a distance of 1 1/16 miles on dirt it was renamed in 1948 modified to its present distance in 1950 and moved to turf in 1970.