1952 12 Hours of Sebring
The Sebring International Grand Prix of Endurance, was a non-championship race. The race was held at the Sebring International Raceway, on March 15, 1952. Victory overall went to the No. 9 J. S. Donaldson Frazer Nash Le Mans Replica driven by Larry Kulok and Harry Grey.
Race results
Class winners in bold.| Pos | Class | No | Team | Drivers | Car | Laps |
| 1 | S2.0 | 9 |  |