Sådan kører Christian Lundgaard og NTT Indycar Series i 2023:
| 5. marts | Streets of St. Petersburg |
| 2. april | Texas Motor Speedway |
| 16. april | Streets of Long Beach |
| 30. april | Barber Motorsports Park |
| 13. maj | Indianapolis Motor Speedway (road course) |
| 28. maj | Indianapolis Motor Speedway (oval) |
| 4. juni | Streets of Detroit |
| 18. juni | Road America |
| 2. juli | Mid-Ohio Sports Car Course |
| 16. juli | Streets of Toronto |
| 22. juli | Iowa Speedway |
| 23. juli | Iowa Speedway |
| 6. august | Streets of Nashville |
| 12. august | Indianapolis Motor Speedway (road course) |
| 27. august | World Wide Technology Raceway |
| 3. september | Portland International Raceway |
| 10. september | WeatherTech Raceway Laguna Seca |
Foto: Joe Skibinski
