Drumtop was an American Thoroughbred

Thoroughbred

The Thoroughbred is a horse breed best known for its use in horse racing. Although the word thoroughbred is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed...

 horse racing

Horse racing

Horse racing is an equestrian sport that has a long history. Archaeological records indicate that horse racing occurred in ancient Babylon, Syria, and Egypt. Both chariot and mounted horse racing were events in the ancient Greek Olympics by 648 BC...

 mare

Mare

Female horses are called mares.Mare is the Latin word for "sea".The word may also refer to:-People:* Ahmed Marzooq, also known as Mare, a footballer and Secretary General of Maldives Olympic Committee* Mare Winningham, American actress and singer...

 purchased as a yearling for $47,000 who won close to half a million dollars in racing against both females and males and who in 1971 broke three track record

Track record

Track record means informally the collective recollections of the performance of a person or an organization; similarly to fame or publicity.The term track record may also refer to:*Track Records, an English record label...

s:

1. Hialeah Park
   Hialeah Park Race Track
   The Hialeah Park Race Track is a historic site in Hialeah, Florida. Its site covers 40 square blocks of central-east side Hialeah from Palm Avenue east to East 4th Avenue, and from East 22nd Street on the south to East 32nd Street on the north. On March 5, 1979, it was added to the U.S...
   
   : 12FT 2:26.4/5, February 27, 1971. http://select.nytimes.com/gst/abstract.html?res=FB0C1EF63A5B137A93CAAB1789D85F458785F9
2. Garden State Park
   Garden State Park
   Garden State Park was a harness and thoroughbred race track in Cherry Hill, Camden County, New Jersey. It is now the site of a high-end, mixed-use "town center" development of stores, restaurants, apartments, townhouses, and condominiums...
   
   : 10FT 1:59.4/5, May 15, 1971. http://select.nytimes.com/gst/abstract.html?res=F10A17FA355F127A93C4A8178ED85F458785F9
3. Belmont Park: 12FT 2:25 2/5, June 12 1971. http://select.nytimes.com/gst/abstract.html?res=F1091EF73D5813748DDDAA0994DE405B818BF1D3

When her racing career ended, Drumtop was a broodmare at Rokeby Farm

Rokeby Stables

Rokeby Stables was an American thoroughbred racehorse breeding farm in Upperville, Virginia involved with both steeplechase and flat racing. The operation was established in the late 1940s by Paul Mellon who won the Eclipse Award for Outstanding Breeder in 1971 and again in 1986...

 in Upperville, Virginia

Upperville, Virginia

Upperville is an unincorporated community in Fauquier County, Virginia, United States, located along U.S. Route 50 fifty miles from downtown Washington, D.C.. Founded in the 1790s along Pantherskin Creek, it was originally named Carrstown by first settler Josephus Carr...

 She produced nine foals that raced of which three were stakes race winners. Drumtop's son Topsider

Topsider

Topsider was an American Thoroughbred racehorse. He was a bay son of the great Northern Dancer and the very speedy racing mare Drumtop...

, sired by Northern Dancer

Northern Dancer

Northern Dancer was a Canadian-bred Thoroughbred racehorse and the most successful sire of the 20th Century. The National Thoroughbred Racing Association calls him "one of the most influential sires in Thoroughbred history"....

, set a new track record for 6½ furlongs at Saratoga Race Course

Saratoga Race Course

Saratoga Race Course is a Thoroughbred horse racing track in Saratoga Springs, New York, United States. It opened on August 3, 1863, and is the oldest organized sporting venue of any kind in the United States. It is typically open for racing from late July through early September.-History:John...

. 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.