| Official Race Results | |||||||||
| Champion 400 | Michigan International Speedway | |||||||||
| August 17, 1980 | Race 21 of 31 | |||||||||
| Average Speed: 145.352 mph | |||||||||
| Margin of Victory: 1.0 second | Time of Race: 02:45:07 | ||||||||
| Lead Changes: 31 | |||||||||
| Cautions: 4 for 17 laps. | |||||||||
| Fin | St | Car | Driver | Make | Sponsor | Pts / Bonus | Laps | Status | Winnings |
| 1 | 2 | #11 | Cale Yarborough | Chevrolet | Busch | 180/5 | 200 | Running | $19,700 |
| 2 | 3 | #21 | Neil Bonnett | Mercury | Purolator | 170/0 | 200 | Running | $12,875 |
| 3 | 21 | #12 | Donnie Allison | Chevrolet | Ramey's Chevy City | 170/5 | 200 | Running | $9,050 |
| 4 | 11 | #02 | Darrell Waltrip | Chevrolet | Halpern Enterprises | 170/10 | 200 | Running | $6,050 |
| 5 | 12 | #43 | Richard Petty | Chevrolet | STP | 160/5 | 200 | Running | $11,075 |
| 6 | 1 | #28 | Buddy Baker | Chevrolet | Napa Regal Ride Shocks | 150/0 | 200 | Running | $5,600 |
| 7 | 4 | #15 | Bobby Allison | Mercury | Hodgdon/Mike Curb | 151/5 | 199 | Running | $7,675 |
| 8 | 10 | #27 | Benny Parsons | Chevrolet | Melling Tool Company | 147/5 | 199 | Running | $7,250 |
| 9 | 5 | #9 | Bill Elliott | Mercury | Jackson Special | 143/5 | 199 | Running | $4,900 |
| 10 | 16 | #77 | Kenny Hemphill | Chevrolet | Warren Fabricating | 134/0 | 199 | Running | $2,650 |
| 11 | 9 | #44 | Terry Labonte | Chevrolet | Apache Stove | 130/0 | 198 | Running | $5,475 |
| 12 | 20 | #42 | Kyle Petty | Chevrolet | STP | 127/0 | 198 | Running | $2,700 |
| 13 | 23 | #67 | Buddy Arrington | Dodge | Hill's Racing | 124/0 | 196 | Running | $4,590 |
| 14 | 27 | #52 | Jimmy Means | Chevrolet | Thompson Industries | 121/0 | 195 | Running | $4,170 |
| 15 | 28 | #40 | D.k. Ulrich | Chevrolet | Ulrich Racing | 118/0 | 195 | Running | $3,975 |
| 16 | 13 | #66 | Lake Speed | Chevrolet | Speed Racing | 115/0 | 194 | Running | $1,480 |
| 17 | 22 | #87 | Billie Harvey | Chevrolet | Del Ray Marine Supply | PE | 194 | Running | $1,270 |
| 18 | 6 | #90 | Jody Ridley * | Mercury | Truxmore/Sunny King Ford-Honda | 109/0 | 194 | Running | $3,490 |
| 19 | 30 | #19 | Dick May | Chevrolet | Belden Asphalt | PE | 194 | Running | $3,330 |
| 20 | 37 | #70 | J.D. McDuffie | Chevrolet | Bailey Excavating | 103/0 | 193 | Running | $3,085 |
| 21 | 19 | #24 | Cecil Gordon | Oldsmobile | South Hill Texaco | 100/0 | 193 | Running | $2,790 |
| 22 | 18 | #64 | Tommy Gale | Ford | Sunny King Ford & Honda | 97/0 | 190 | Running | $2,545 |
| 23 | 36 | #65 | Bruce Jacobi | Ford | United Medical Supply | 94/0 | 189 | Running | $985 |
| 24 | 33 | #85 | Wayne Watercutter | Oldsmobile | Ward Racing Enterprises | 91/0 | 183 | Running | $925 |
| 25 | 26 | #48 | James Hylton | Oldsmobile | Palatine Automotive | 88/0 | 182 | Running | $2,265 |
| 26 | 15 | #71 | Dave Marcis | Chevrolet | Transmissions Unlimited | 90/5 | 182 | Engine Failure | $1,975 |
| 27 | 17 | #3 | Richard Childress | Chevrolet | Crc Chemicals | 82/0 | 180 | Running | $1,940 |
| 28 | 35 | #41 | Stuart Huffman | Buick | Bluegrass Express | 79/0 | 177 | Running | $800 |
| 29 | 24 | #25 | Ronnie Thomas | Buick | Stone's Cafeteria | 76/0 | 172 | Running | $1,865 |
| 30 | 29 | #17 | Roger Hamby | Chevrolet | Kings Inn Daytona | 73/0 | 150 | Engine Failure | $765 |
| 31 | 31 | #79 | Frank Warren | Dodge | Warren Racing | 70/0 | 150 | Running | $1,810 |
| 32 | 34 | #61 | Baxter Price | Oldsmobile | Duro Bond | 67/0 | 125 | Running | $740 |
| 33 | 32 | #74 | Bobby Wawak | Buick | Wawak Racing | 64/0 | 114 | Ignition | $730 |
| 34 | 25 | #7 | Ricky Rudd | Chevrolet | Sanyo Electronics | 61/0 | 88 | Transmission | $1,220 |
| 35 | 8 | #2 | Dale Earnhardt | Chevrolet | Mike Curb/Hodgdon | 63/5 | 79 | Engine Failure | $6,410 |
| 36 | 14 | #75 | John Anderson | Chevrolet | Rahmoc Racing | 55/0 | 12 | Oil Pump | $700 |
| 37 | 7 | #47 | Harry Gant | Chevrolet | Race Hill Farm | 52/0 | 4 | Engine Failure | $1,200 |
| * Denotes Rookie | |||||||||