As found on New Egypt Speedway's website:

May 18, 2024 - Tonight’s Race is Canceled for May 18th, 2024

Due to the forecast for rain and unfavorable conditions, tonight’s event is cancelled. We will see you all next week!

https://newegyptspeedway.net/2024/05/18/tonights-race-is-canceled-for-may-18th-2024/