Mac Diarmida Stakes
| Class | Grade II | 
|---|---|
| Location | Gulfstream Park Hallandale Beach, Florida, United States | 
| Inaugurated | 1995 | 
| Race type | Thoroughbred - Flat racing | 
| Sponsor | FanDuel TV (since 2025) | 
| Website | www.gulfstreampark.com | 
| Race information | |
| Distance | 1+3⁄8 miles (11 furlongs) | 
| Surface | Turf | 
| Track | Left-handed | 
| Qualification | Four-year-olds and older | 
| Weight | 124 lbs with allowances | 
| Purse | $200,000 (since 2014) | 
The Mac Diarmida Stakes is a Grade II American Thoroughbred horse race for horses four-years-old and older run over a distance of one-and-three-eighth miles (11 furlongs) on the turf, annually in late February or early March at Gulfstream Park in Hallandale Beach, Florida. The current purse is $200,000.