Drumtop (1966–1983) was an American Thoroughbred horse racing mare purchased as a yearling for $47,000 who won close to half a million dollars in racing against both females and males.
In 1971 Drumtop broke three track records: When her racing career ended, Drumtop was a broodmare at Rokeby Farm in Upperville, Virginia She produced nine foals that raced of which three were stakes race winners.
Drumtop's son Topsider, sired by Northern Dancer, set a new track record for 6½ furlongs at Saratoga Race Course.
Topsider became a very good sire of Champions whose offspring won more than $18 million.
Drumtop died in foaling on March 4, 1983, at Rokeby Farm, Virginia.