Rain pushed the original date for King of America XIII back more than a month, and the rust showed as completing Thursday’s opener at the Humboldt Speedway was a tall task. The …

RacinDirt presents King of America XIII on Thursday, Friday and Saturday, April 4-6, at the Humboldt Speedway in Humboldt, Kan., featuring the Summit USMTS National Championship pr …

RacinDirt USMTS King of America XIII takes place Thursday, Friday and Saturday, April 4-6, at the Humboldt Speedway in Humboldt, Kan., featuring the Summit USMTS National Championship p …

RacinDirt USMTS King of America XIII has been postponed to Thursday, Friday and Saturday, April 4-6, at the Humboldt Speedway in Humboldt, Kan. …

RacinDirt USMTS King of America XIII takes place this Thursday, Friday and Saturday, March 7-9, at the Humboldt Speedway in Humboldt, Kan., featuring the Summit USMTS National Championship presented by RacinDirt. …

An electrifying finale to the 14th Annual USMTS Texas Spring Nationals took place Saturday night at the Rocket Raceway Park as Dan Ebert captured the Summit USMTS National Championship …

The Rocket Raceway Park in Petty, Texas, hosted the Summit USMTS National Championship presented by RacinDirt on Friday for opening night of the 14th Annual Texas Spring Nationals, and …

Featherlite Trailers has been the title sponsor of the Featherlite Fall Jamboree for more than 20 years, and today the USMTS is proud to announce a new and exciting partnership with the world leader in the design and manufacturing of all-aluminum trailers. …

Sweet Manufacturing will be a contingency sponsor for both the USMTS and USRA in 2024. Headquartered in Kalamazoo, Mich., Sweet Manufacturing will award product certificates val …

Following an exciting opening weekend an hour away in Greenville, Texas, the undisputed best of the best in dirt modified racing rolls into the second half of the doubleheader weekend t …