 A naturally gifted talent, in 1918 he won a number of important races including the Coaching Club American Oaks, Saratoga Special Stakes and the Potomac Handicap when it was held at Laurel Park Racecourse.Within two years he had twice won five races on a single day and in 1920 he led all American jockeys with a 31% winning percentage.Ensor competed in the Kentucky Derby only twice, his best result a third in 1932 with Liz Whitney's colt, Stepenfetchit.