The 5K run/walk will begin at 8 a.m., with registration at 7:30 a.m. at the school playground. The cost is $25 and includes a t-shirt. Registration/payment can be done via Venmo @Cwdays – comment name and shirt size; or the same information can be mailed to Castlewood Days, PO Box 294, Castlewood, SD 57223 or dropped off at First Premier Bank in Castlewood. All proceeds will benefit Castlewood Days 2021.