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Track Size*
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Inner: .27 mi
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Middle: .31 mi
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Outer: .35 mi
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Width: 425 ft
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Length: 695 ft
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* - Measured using Google Maps "Measure Distance" functionality
Count: 13
| Race Date | Class | Series | Race | Car Count | Winner | Start | Story |
| Sunday, March 21, 2021 | Late Model | LOLM | Buckeye Spring 50 | 29 | Hudson ONeal | 3 | HUDSON O’NEAL WINS SUNDAY’S LUCAS OIL RACE AT ATOMIC SPEEDWAY | |
| Saturday, April 3, 2021 | Wing | FAST | Rumble in the Hills | 29 | Cole Duncan | 5 | Duncan Continues To Dominate Atomic in FAST Rumble | |
| Thursday, April 22, 2021 | Late Model | | Flo Racing Night in America Fireball 50 | 28 | Devin Moran | 1 | Devin Moran wins Atomic | |
| Saturday, May 15, 2021 | Wing | OVSCA | | 30 | Cole Duncan | | Cole Duncan wins OVSCA at Atomic | |
| Thursday, May 27, 2021 | Wing | FAST | KC Classic | 39 | Kyle Larson | 4 | Larson Takes $20K in K-C Classic at Atomic | |
| Saturday, June 5, 2021 | Wing | OVSCA | | 22 | Brandon Wimmer | | Brandon Wimmer wins a thiller with the OVSCA at Atomic Speedway but Josh Davis steals the point lead | |
| Friday, June 25, 2021 | Wing | OVSCA | | 26 | Kory Crabtree | 3 | Kory Crabtree wins OVSCA at Atomic | |
| Saturday, July 10, 2021 | Wingless | BOSS | | 24 | Isaac Chapple | 3 | THE CATHEDRAL THAT IS ATOMIC SPEEDWAY BELONGS TO A CHAPPLE | |
| Saturday, July 31, 2021 | Wing | OVSCA | | 22 | Cole Duncan | 1 | Cole Duncan wins OVSCA at Atomic | |
| Saturday, August 21, 2021 | Wing | OVSCA | | 27 | Kory Crabtree | 1 | Kory Crabtree takes the OVSCA win at ATOMIC SPEEDWAY | |
| Saturday, September 11, 2021 | Wing | FAST | Freedom 40 | 27 | Cole Duncan | 4 | Duncan Wins Atomic Freedom 40 Thriller | |
| Saturday, September 25, 2021 | Wing | | | 26 | Jake Hesson | 4 | Jake Hesson is your OVSCA feature winner at Atomic Speedway | |
| Saturday, October 2, 2021 | Wing | FAST | Atomic Blast | 33 | Parker Price-Miller | 1 | Price-Miller Wins Atomic Blast - Conley Claims FAST Title | |
