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Track Size*
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Inner: .21 mi
|
Middle: .25 mi
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Outer: .29 mi
|
Width: 368 ft
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Length: 555 ft
|
* - Measured using Google Maps "Measure Distance" functionality
Count: 17
| Race Date | Class | Series | Race | Car Count | Winner | Start | Story |
| Friday, May 7, 2021 | Wing | NOSA | Season Opener | 19 | Brendan Mullen | 1 | Brendan Mullen claims third career NOSA win; first at River Cities | |
| Friday, May 21, 2021 | Wing | NOSA | | 18 | Austin Pierce | 4 | Pierce picks up win #2 of 2021 at River Cities Speedway | |
| Friday, May 28, 2021 | Wing | NOSA | | 20 | Jade Hastings | 1 | Jade Hastings wins NOSA at River Cities | |
| Friday, June 11, 2021 | Wing | NOSA | | 18 | Austin Pierce | 3 | Austin Pierce wins NOSA at River Cities | |
| Friday, June 18, 2021 | Wing | NOSA | | 18 | Jade Hastings | 4 | Jade Hastings wins NOSA at River Cities | |
| Friday, July 2, 2021 | Wing | NOSA | Mid-Season Championship | 19 | Jade Hastings | 2 | Jade Hastings wins NOSA at River Cities | |
| Thursday, July 8, 2021 | Wing | NOSA | Wayne Anderson Cup Night 1 | 25 | Mark Dobmeier | 6 | Mark Dobmeier wins NOSA at River Cities | |
| Friday, July 9, 2021 | Wing | NOSA | Wayne Anderson Cup Night 2 | 23 | Mark Dobmeier | 4 | Mark Dobmeier wins NOSA at River Cities | |
| Friday, July 16, 2021 | Wing | NOSA | | 18 | Austin Pierce | 3 | Austin Pierce wins NOSA at River Cities | |
| Late Model | WoOLM | | 30 | Dennis Erb Jr | 1 | TWO OUT OF THREE AIN’T BAD: ERB SCORES THIRD WIN OF THE SEASON AT RIVER CITIES | |
| Friday, July 23, 2021 | Wing | NOSA | | 18 | Austin Pierce | 1 | Austin Pierce wins NOSA at River Cities | |
| Friday, August 6, 2021 | Wing | NOSA | | 22 | Austin Pierce | 9 | Austin Pierce wins NOSA at River Cities | |
| Friday, August 13, 2021 | Wing | NOSA | | 13 | Austin Pierce | 7 | Austin Pierce wins NOSA at River Cities | |
| Wednesday, August 25, 2021 | Wing | WoO | | 25 | Brad Sweet | 5 | PERFECT POUNCE: SWEET STEALS RIVER CITIES THRILLER FROM HAUDENSCHILD ON LAST LAP | |
| Friday, September 3, 2021 | Wing | NOSA | Season Championship | 18 | Austin Pierce | 1 | Austin Pierce wins NOSA at River Cities | |
| Friday, September 10, 2021 | Wing | NOSA | John Seitz Memorial | 20 | Austin Pierce | 1 | Austin Pierce wins NOSA at River Cities | |
| Friday, September 17, 2021 | Wing | NOSA | | 20 | Austin Pierce | 2 | Austin Pierce wins NOSA at River Cities | |
