Here is the Iowa race schedule

IMBCS #1 - April 14 - Sylvan Island, Moline, IL
IMBCS #2 - May 5 - Camp Ingawanis (south course), Waverly, IA
IMBCS #3 - July 7 - Seven Oaks Ski Area, Boone, IA
IMBCS #4 - July 14 - Sunderbruch, Davenport, IA
IMBCS #5 - August 10 - Moorehead Pioneer Park, Ida Grove, IA
IMBCS #6 - August 17 - George Wyth State Park, Cedar Falls, IA
IMBCS #7 - August 25 - Sugarbottom Rec Area, North Liberty, IA
IMBCS #8 - September 8 - Sycamore Trails, Des Moines, IA
IMBCS #9 - September 21 - Banner Lakes, Indianola, IA
IMBCS #10 - October 6 - Lake Ahquabi State Park, Indianola, IA

I guess there is no race at Beverly this year