The Sun Prairie boys and the Sun Prairie Red girls maintained their leads after Monday’s seventh week of Wisconsin District 4 High School Bowling. The boys and girls both competed at Ten Pin Alley in Fitchburg. Eleven boys varsity, four boys junior varsity, four girls varsity and one girls junior varsity teams are competing this year. For varsity only, there were 11 and four last season, and prior to that it was 11 and five, 11 and six, and 12 and six.  The competition features...