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Confira o calendário completo da NASCAR Cup Series em 2023, com os horários da provas no Brasil. (Horários na parte final da temporada sujeitos a mudanças caso seja restabelecido o horário de verão no Brasil em 2023)
| Etapa | Data | Horário BSB | Pista/Local | Vencedor |
| 05/02 – Domingo | 22:00 | Clash (L.A. Memorial Coliseum) | ||
| 16/02 – Quinta | 21:00 | Duel at Daytona | ||
| 01 | 19/02 – Domingo | 16:30 | Daytona 500 | |
| 02 | 26/02 – Domingo | 17:30 | Auto Club | |
| 03 | 05/03 – Domingo | 17:30 | Las Vegas | |
| 04 | 12/03 – Domingo | 16:30 | Phoenix | |
| 05 | 19/03 – Domingo | 16:00 | Atlanta | |
| 06 | 26/03 – Domingo | 16:30 | COTA | |
| 07 | 02/04 – Domingo | 16:30 | Richmond | |
| 08 | 09/04 – Domingo | 20:00 | Bristol Dirt | |
| 09 | 16/04 – Domingo | 16:00 | Martinsville | |
| 10 | 23/04 – Domingo | 16:00 | Talladega | |
| 11 | 30/04 – Domingo | 15:00 | Dover | |
| 12 | 07/05 – Domingo | 16:00 | Kansas | |
| 13 | 14/05 – Domingo | 16:00 | Darlington | |
| 21/05 – Domingo | 21:00 | All-Star Race (North Wilkesboro) | ||
| 14 | 28/05 – Domingo | 19:00 | Charlotte | |
| 15 | 04/06 – Domingo | 16:30 | World Wide Technology Raceway | |
| 16 | 11/06 – Domingo | 16:30 | Sonoma | |
| 17 | 25/06 – Domingo | 20:00 | Nashville Superspeedway | |
| 18 | 02/07 – Domingo | 16:30 | Chicago Street Race | |
| 19 | 09/07 – Domingo | 20:00 | Atlanta | |
| 20 | 16/07 – Domingo | 15:30 | New Hampshire | |
| 21 | 23/07 – Domingo | 15:30 | Pocono | |
| 22 | 30/07 – Domingo | 16:00 | Richmond | |
| 23 | 06/08 – Domingo | 15:30 | Michigan | |
| 24 | 13/08 – Domingo | 15:30 | Indianapolis Road Course | |
| 25 | 20/08 – Domingo | 16:00 | Watkins Glen | |
| 26 | 26/08 – Sábado | 20:00 | Daytona | |
| PLAYOFFS | ||||
| 27 | 03/09 – Domingo | 19:00 | Darlington | |
| 28 | 10/09 – Domingo | 16:00 | Kansas | |
| 29 | 16/09 – Sábado | 20:30 | Bristol | |
| 30 | 24/09 – Domingo | 16:30 | Texas | |
| 31 | 01/10 – Domingo | 15:00 | Talladega | |
| 32 | 08/10 – Domingo | 15:00 | Charlotte Roval | |
| 33 | 15/10 – Domingo | 15:30 | Las Vegas | |
| 34 | 22/10 – Domingo | 15:30 | Homestead-Miami | |
| 35 | 29/10 – Domingo | 15:00 | Martinsville | |
| 36 | 05/11 – Domingo | 17:00 | Phoenix |
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