NASCAR O'Reilly Auto Parts Series at Kansas Speedway

Stock car racing events in the NASCAR [O'Reilly Auto Parts Series] have been held at Kansas Speedway.

Current race

The Kansas Lottery 300 is a NASCAR O'Reilly Auto Parts Series stock car race that takes place at Kansas Speedway in Kansas City, Kansas. The race takes place on the same weekend as the NASCAR Cup Series' Hollywood Casino 400.
Brandon Jones is the most recent winner of the event, having won in 2025.
In 2026, the race was moved to the spring, joining as the support race to the AdventHealth 400. It will be the first time the O'Reilly Series will race at Kansas in the spring.

Past winners

2004, 2012, 2015, & 2020 I: Races extended due to NASCAR overtime.
2022: Race was shortened due to rain, stopped after the second stage.
2020 I: Race replaced NASCAR O'Reilly Auto Parts [Series at Iowa Speedway|the race] at Iowa Speedway due to the COVID-19 pandemic.