2023 NASCAR Whelen Modified Tour: Race 14/18
| Race | Winchester Fair at Monadnock Speedway |
| Date | Saturday, Sept. 9, 2023 |
| Track | Monadnock Speedway |
| Layout | Quarter-mile oval |
| Location | Winchester, New Hampshire |
| Start time | 8 p.m. ET |
| Laps | 150 |
| Posted Awards | $83,845 |
| Tickets | JDV Productions |
| Live stream | FloRacing (Live) |