360 winged sprint car series based out of Minnesota and Wisconsin.

UMSS Spring Meeting Sets Tone for 2013 Season
With anticipation running high for the upcoming 2013 racing season in all three divisions, the Upper Midwest Sprintcar Series (UMSS) held its annual Spring Meeting and Tech Session at Mastell Brothers Trailer Service in Columbus, MN on Saturday April 6. A good turnout of drivers and crews were on hand representing the UMSS winged series and the TSCS non-winged division. […]