The Sweet Diamond Challenge Series will take IMCA drivers in three divisions to eight events at Sweetwater Speedway and Diamond Mountain Speedway in 2018.

IMCA Modifieds race for $1,000 to win each night at Sweetwater, in Rock Springs, Wyo.

One thousand dollar top prizes await IMCA Modifieds, IMCA Sunoco Stock Car and Karl Chevrolet Northern SportMod drivers who win features during shows at Diamond Mountain Speedway, in Vernal, Utah, with 20 or more entries.

All eight races are qualifying events for the 2018 or 2019 Fast Shafts All-Star Invitational ballot.

IMCA Speedway Motors Weekly Racing National, regional, state and track points will be awarded each night. Series champions will be recognized and top 10 drivers in point standings for all three divisions receive point fund shares.

Sweet Diamond Challenge Series 2018 Dates
June 1 - 2; Sweetwater Speedway; Rock Springs, WY
July 6 - 7; Diamond Mountain Speedway; Vernal, UT
Aug. 10 - 11; Diamond Mountain Speedway; Vernal, UT
Sept. 14 - 15; Sweetwater Speedway; Rock Springs, WY