2023 Monster Energy AMA Supercross Championship Glendale Schedule
250SX WestTriple Crown + Supercross Futures + KTM Junior Supercross
April 8, 2023
| Local Time () | Track Time (MST) | ||
| Friday | |||
| 2:30pm | 2:30pm | Group B Qualifying 1 | |
| 2:45pm | 2:45pm | Group A Qualifying 1 | |
| 3:20pm | 3:20pm | Group A Qualifying 2 | |
| 3:35pm | 3:35pm | Group B Qualifying 2 | |
| Saturday | |||
| 12:30pm | 12:30pm | Racing 1 |   |
| 12:45pm | 12:45pm | Qualifying 1 | |
| 1:00pm | 1:00pm | Group B Qualifying 1 | |
| 1:15pm | 1:15pm | Group A Qualifying 1 | |
| 1:30pm | 1:30pm | Group A Qualifying 1 | |
| 1:45pm | 1:45pm | Group B Qualifying 1 | |
| 2:00pm | 2:00pm | Group C Qualifying 1 | |
| 2:50pm | 2:50pm | Group B Qualifying 2 | |
| 3:05pm | 3:05pm | Group A Qualifying 2 | |
| 3:20pm | 3:20pm | Group A Qualifying 2 | |
| 3:35pm | 3:35pm | Group B Qualifying 2 | |
| 3:50pm | 3:50pm | Group C Qualifying 2 | |
| 4:05pm | 4:05pm | Qualifying 2 | |
| 4:20pm | 4:20pm | Racing 2 | |
| 4:45pm | 4:45pm | Last Chance Qualifier | |
| 4:55pm | 4:55pm | Last Chance Qualifier | |
| 7:06pm | 7:06pm | Race 1 | |
| 7:31pm | 7:31pm | Race 1 | |
| 7:55pm | 7:55pm | Racing Main Event | |
| 8:11pm | 8:11pm | Race 2 | |
| 8:29pm | 8:29pm | Race 2 | |
| 8:49pm | 8:49pm | Main Event | |
| 9:13pm | 9:13pm | Race 3 | |
| 9:35pm | 9:35pm | Overall | |
| 9:39pm | 9:39pm | Race 3 | |
| 9:55pm | 9:55pm | Overall | |
