Yes.
In Omaha: Gear check will be in the Air Hanger, near the packet pickup area/the start line/finish line. Your gear will remain in the same location inside the Air Hanger for you to retrieve after the race. Note: This area will not be staffed by any volunteers leaving items here will be at your own risk.
In Des Moines: Gear check is located next race day packet pickup under Gate B of the stadium. Your gear will remain in the same location for you to retrieve after the race.