| Surface: | Turf |
| Class: | Discontinued Grade 3 stakes |
| Horse Race: | American St. Leger Stakes |
| Location: | Arlington Park Arlington Heights, Illinois, United States |
| Inaugurated: | 2012 |
| Race Type: | Thoroughbred - Flat racing |
| Website: | www.arlingtonpark.com |
| Distance: | NaNmiles |
| Track: | Left-handed |
| Qualification: | Three-years-old and older |
| Weight: | Assigned |
| Purse: | $300,000 |
The American St. Leger Stakes is a discontinued Grade 3 flat horse race in the United States for thoroughbreds three-year-old and older. It was run over a distance of NaNabbr=offNaNabbr=off. Held annually in mid August, it was held on the same racecard as the Arlington Million, Beverly D. Stakes and Secretariat Stakes and on the same turf course at Arlington Park, Arlington Heights, Illinois.
The race was upgraded to Grade 3 status in 2015. It was dropped from Arlington Park's calendar in 2018.[1]
| Year | Winner | Age | Jockey | Trainer | style= | Owner | Year |
|---|---|---|---|---|---|---|---|
| 2017 | Postulation | 5 | Jorge A. Vargas Jr. | Edward Graham | Runnymede Racing | 2:49.45 | |
| 2016 [2] | Da Big Hoss | 5 | Florent Geroux | Michael J. Maker | Skychai Racing LLC | 2:49.47 | |
| 2015 [3] | Lucky Speed | 6 | Andrasch Starke | Peter Schiergen | Stall Hornoldendorf | 2:46.50 | |
| 2014 [4] | 5 | Florent Geroux | Roger Brueggemann | Midwest Thoroughbreds | 2:47.44 | ||
| 2013 [5] | Dandino | 6 | Ryan Moore | Marco Botti | Australian Thoroughbred Bloodstock | 2:50.78 | |
| 2012 [6] | Jakkalberry | 6 | Colm O'Donoghue | Marco Botti | Australian Thoroughbred Bloodstock | 2:49.01 | |