As a yearling Ben Brush was sold to Eugene Leigh and Hall of Fame trainer Ed Brown for $1,200. His new owners named the colt in honor of Ben Brush, a highly regarded track superintendent of the Gravesend track in Brooklyn.
Ben Brush began his racing career in the Midwest. After winning his first five races, he was shipped to New York where he won his last six races as a 2-year-old, including the Prospect Handicap, Nursery, Albany, and Champagne Stakes. This winning season led to championship honors for the 2-year-old.
Midway through his first racing season, Ben Brush was purchased by Mike Dwyer. For his new owner Ben Brush won the Kentucky Derby and the Latonia Derby.
At 4 Ben Brush demonstrated his racing prowess by defeating top handicap horses in a number of races, including the Suburban, Brighton and Citizen's Handicaps.
Ben Brush was then retired to stud and sold to James R. Keene. A successful sire, Ben Brush led the sire list in 1909. He sired champions Delhi, Sweep, and Pebbles, and founded a significant American sire line represented by stallions Broomstick, Sweep, The Porter, Whisk Broom II, Jack High, and Rosemont.
Ben Brush was inducted in the Hall of Fame in 1955.