Nascar Cup Series Beltsville
Competition: Nascar Cup Series
Championship: Nascar Cup Series 1966
Circuit: Beltsville Speedway
From: 24-08-1966
To: 24-08-1966
Competition: Nascar Cup Series
Championship: Nascar Cup Series 1966
Circuit: Beltsville Speedway
From: 24-08-1966
To: 24-08-1966
| Position | Driver | Team | Result | Laps |
|---|---|---|---|---|
| 1 | Bobby Allison | Privateer - United States of America | 1:26:05.000 | 200 |
| 2 | Elmo Langley | Langley Racing (Langley) | 199 | |
| 3 | James Hylton | Privateer - United States of America | 196 | |
| 4 | Elzie Wylie "Buck" Baker Sr | Privateer - United States of America | 195 | |
| 5 | DeWayne Louis Lund | Privateer - United States of America | 194 | |
| 6 | Buddy Baker | Privateer - United States of America | 193 | |
| 7 | Earl Brooks | Privateer - United States of America | 192 | |
| 8 | Buddy Arrington | Arrington Motorsports (Arrington Racing) | 189 | |
| 9 | Clyde Lynn | Privateer - United States of America | 187 | |
| 10 | John Sears | DeWitt Racing | 185 | |
| 11 | J.D. McDuffie | McDuffie Racing | 183 | |
| 12 | Bill Seifert | Seifert Racing | 176 | |
| 13 | Jimmy Helms | Privateer - United States of America | 173 | |
| 14 | Wendell Scott | Privateer - United States of America | 170 | |
| 15 | Edgar Wallen | Privateer - United States of America | 149 | |
| 16 | Joel Davis | Privateer - United States of America | 145 | |
| 17 | Henley Gray | Gray Racing | 126 | |
| 18 | Don Biederman | Privateer - Canada | 122 | |
| 19 | Hank Thomas | Privateer - United States of America | 86 | |
| 20 | Richard Petty | Petty Enterprises | 30 | |
| 21 | Larry Manning | Privateer - United States of America | 17 | |
| 22 | Blackie Watt | Privateer - United States of America | 2 |