Here was the most current Autox schedule I could find for 2015:
Tentative 2015 MAC Event Schedule (02/16/15 Revision):
April 18-19 Novice School #1, Dunwoody & DCTC May 2 MOWOG 1, Valleyfair (tentative) May 3 MOWOG 2, Valleyfair (tentative) May 16-17 SCCLAC Practice & Solo events, Winona May 17 MAC Members-Only Practice Event, DCTC May 24-25 SCCA Solo Spring Nationals, Lincoln June 7 MOWOG 3 - DCTC June 13-14 Novice School #2, Dunwoody & MN State Fairgrounds June 14 SCCLAC Solo Event, La Crosse June 20 Austin Healey Club speed run & autocross, Amery June 21 CVSCC Autocross Event, CVTC large lot June 28 MOWOG 4, MN State Fairgrounds July 12 SCCLAC Solo event, Winona July 18 MAC Members-Only Practice Event, DCTC July 19 MOWOG 5, DCTC July 25 SoloPro School, Winnebago Industries, Forest City (tentative) July 26 MOWOG 6, Winnebago Industries, Forest City (tentative) August 2 COM Autocross Event, DCTC August 8-9 SCCLAC Practice & Solo events, Winona August 9 MAC Members-Only Practice Event, DCTC August 29 Austin Healey Club speed run & autocross, Amery September 8-11 SCCA Solo Nationals, Lincoln September 12 Wheels & Wings, Osceola September 13 COM Autocross Event, DCTC September 26 Austin Healey Club hillclimb, Waumandee September 27 SCCLAC Solo Event, La Crosse September 27 CVSCC Autocross Event, CVTC small lot October 3 MAC Members-Only Practice Event, Canterbury Park (tentative) October 4 MOWOG 7, Canterbury Park (tentative) October 11 MOWOG 8, DCTC