| Mac Diarmida | |
|---|---|
| Sire | Minnesota Mac |
| Grandsire | Rough'n Tumble |
| Dam | Flying Tammie |
| Damsire | Tim Tam |
| Sex | Stallion |
| Foaled | 1975 |
| Country | United States |
| Colour | Dark Bay/Brown |
| Breeder | John Hartigan |
| Owner | Dr. Jerome M. Torsney |
| Trainer | Flint S. Schulhofer |
| Record | 16: 12-0-2 |
| Earnings | US$503,184 |
| Major wins | |
| Lexington Handicap (1978) Leonard Richards Stakes (1978) Lawrence Realization Stakes (1978) Long Branch Stakes (1978) Secretariat Stakes (1978) Canadian International Championship (1978) Washington, D.C. International Stakes (1978) | |
| Awards | |
| American Champion Male Turf Horse (1978) | |
| Honours | |
| Mac Diarmida Handicap at Gulfstream Park | |
Mac Diarmida (1975–2005) was an American Thoroughbred Champion racehorse.