Supermotocross 2024 Texas Motor Speedway Event.  — he expects to be fit for texas motor speedway next week.  — supermotocross world championship playoff 1 will take place on saturday, september 7 at zmax dragway in concord, n.c.

 — he expects to be fit for texas motor speedway next week. The supermotocross world championship final race will take place on saturday, september 21, at the strip at las vegas motor speedway in las vegas, nv.