Flat Rock Speedway
| Location | Ash Township, Michigan |
|---|---|
| Time zone | UTC−05:00 (UTC−04:00 DST) |
| Coordinates | 42°04′54″N 83°18′24″W / 42.0818°N 83.3067°W |
| Owner | NASCAR (May 2018–present) ARCA (1961–2018) |
| Broke ground | 1952 |
| Opened | 14 August 1953 |
| Construction cost | US$350,000 |
| Architect | Sheldon Hayes |
| Major events | Current: ARCA Menards Series East Dutch Boy 150 (2023–present) Former: ARCA Bondo/Mar-Hyde Series (1979–2000) NASCAR Convertible Series (1956) |
| Website | http://www.flatrockspeedway.com |
| Oval (1953–present) | |
| Surface | Asphalt |
| Length | 0.402 km (0.250 miles) |
| Turns | 4 |
| Race lap record | 0:12.575 ( Max Reaves, Toyota Camry, 2025, ARCA Menards) |
Flat Rock Speedway is a 0.250 mi (0.402 km) race track in Monroe County in the U.S. state of Michigan. It is located in Ash Township just south of the city of Flat Rock along U.S. Route 24. Opened in 1953, it is owned by NASCAR and is the sister track to Toledo Speedway. It features racing on Saturday nights that include Outlaw Body Late Models, Street Stocks, and Figure 8s for its weekly divisions. It is the closest NASCAR-style oval track racing circuit to Detroit, Michigan.