| 1970 Grand National Race Winners | |||
| Race # | Race | Location | Winner |
| 1 | Motor Trend 500 | Riverside CA | A. J. Foyt |
| 2 | Daytona Beach FL | Cale Yarborough | |
| 3 | Daytona Beach FL | Charlie Glotzbach | |
| 4 | Daytona 500 | Daytona Beach FL | Pete Hamilton |
| 5 | Richmond 500 | Richmond VA | James Hylton |
| 6 | Carolina 500 | Rockingham NC | Richard Petty |
| 7 | Savanna 200 | Savanna GA | Richard Petty |
| 8 | Atlanta 500 | Hampton GA | Bobby Allison |
| 9 | Southeastern 500 | Bristol TN | Donnie Allison |
| 10 | Alabama 500 | Talladega AL | Pete Hamilton |
| 11 | Gwyn Staley Memorial | N Wilkesboro NC | Richard Petty |
| 12 | Columbia 200 | Columbia SC | Richard Petty |
| 13 | Rebel 400 | Darlington SC | David Pearson |
| 14 | Beltsville 300 | Beltsville MD | Bobby Isaac |
| 15 | Tidewater 300 | Hampton VA | Bobby Isaac |
| 16 | World 300 | Concord NC | Donnie Allison |
| 17 | Maryville 200 | Maryville TN | Bobby Isaac |
| 18 | Virginia 500 | Martinsville VA | Bobby Isaac |
| 19 | Motor State 400 | Brooklyn MI | Cale Yarborough |
| 20 | Falstaff 400 | Riverside CA | Richard Petty |
| 21 | Hickory 276 | Hickory NC | Bobby Isaac |
| 22 | Kingsport 100 | Kingsport TN | Richard Petty |
| 23 | Greenville 200 | Greenville SC | Bobby Isaac |
| 24 | Firecracker 400 | Daytona Beach FL | Donnie Allison |
| 25 | Albany-Saratoga 250 | Malta NY | Richard Petty |
| 26 | Thompson 200 | Thompson CT | Bobby Isaac |
| 27 | Schaefer 300 | Trenton NJ | Richard Petty |
| 28 | Volunteer 500 | Bristol TN | Bobby Allison |
| 29 | E Tennessee 200 | Maryville TN | Richard Petty |
| 30 | Nashville 420 | Nashville TN | Bobby Isaac |
| 31 | Dixie 500 | Hampton GA | Richard Petty |
| 32 | Sandlapper 200 | Columbia SC | Bobby Isaac |
| 33 | W Virginia 300 | Ona WV | Richard Petty |
| 34 | Yankee 400 | Brooklyn MI | Charles Glotzbach |
| 35 | Talladega 500 | Talladega AL | Pete Hamilton |
| 36 | Myers Brothers | Winston-Salem NC | Richard Petty |
| 37 | Halifax Co. 100 | S Boston VA | Richard Petty |
| 38 | Southern 500 | Darlington SC | Buddy Baker |
| 39 | Buddy Shuman Mem. | Hickory NC | Bobby Isaac |
| 40 | Capitol City 500 | Richmond VA | Richard Petty |
| 41 | Mason-Dixon 300 | Dover DE | Richard Petty |
| 42 | Home State 200 | Raleigh NC | Richard Petty |
| 43 | Wilkes 400 | N Wilkesboro NC | Bobby Isaac |
| 44 | National 500 | Concord NC | LeeRoy Yarbrough |
| 45 | Old Dominion 500 | Martinsville VA | Richard Petty |
| 46 | Georgia 500 | Macon GA | Richard Petty |
| 47 | American 500 | Rockingham NC | Cale Yarborough |
| 48 | Tidewater 300 | Hampton GA | Bobby Allison |