2019-2020 Sponsors- Coming soon

About Us

The 4Gmx Indoor Winter Motocross is held at the James Kjerstad Event Center on the Central States Fairgrounds in Rapid City, South Dakota.  Motocross enthusiasts from Pee Wees to Vets are encouraged to enter and spectators are always welcome! 

Main Events start at 6:30pm - See schedule tab for race dates

James Kjerstad Event Center | 915 Centre St, Rapid City, SD 57701

Riders Notes: The 2019-2020 race schedule has been posted. Updated sponsors and rules to come. The Hotel Sponsors are the same great sponsors we had last year.  When you go to book, just click on the logo below and the link will lead you directly to booking with the racer discount. ​​​


Indoor Motocross