Doug ONeill trained two runners in the 2007 Kentucky Derby Great Hunter, who came in 13th, and Liquidity, who followed hot on Great Hunters heels to place 14th. 2007 was the first time he participated in the Kentucky Derby.
Among the top horses trained by Doug ONeill are Stevie Wonderboy, Fleetstreet Dancer, Lava Man and Great Hunter. ONeill has had two Breeder Cup wins, taking the 2005 Breeders Cup Juvenile and the 2006 Breeders Cup Sprint.
In 2002, the California Thoroughbred Breeders Association awarded Doug ONeill the Trainer of the Year title. Since 2008, O’Neill has earned over $4,939,245 in prize money.
Other notable wins by horses ONeill has trained include the:
- Fantasy Stakes (2000)
- Hollywood Gold Cup (2002, 2005, 2006)
- Longacres Mile Handicap (2003)
- Palos Verdes Handicap (2003)
- Del Mar Breeders’ Cup Mile (2004)
- Las Virgenes Stakes (2005)
- San Marcos Stakes (2005)
- Santa Ynez Stakes (2005)
- Charles Whittingham Memorial Handicap (2006)
- Goodwood Breeders’ Cup Handicap (2006)
- Lane’s End Breeders’ Futurity (2006)
- Santa Anita Handicap (2006)
- Pacific Classic Stakes (2006)
- Santa Barbara Handicap (2006)
- Santa Anita Handicap (2006, 2007)
- Sunshine Millions Classic (2006)
- Robert B. Lewis Stakes (2007)
- Sunshine Millions Turf (2007)