National Girls and Women in Sports Day (NGWSD) is a nationally celebrated event that promotes sport and physical activity opportunities for girls and women. Over 1,500 events and activities are held annually in all 50 states to celebrate and promote female participation in sport. This article introduces the sport/activity-clinic model of the NGWSD event hosted annually at Idaho State University (ISU) and provides planning strategies--such as volunteer recruitment and organization, facility planning, marketing and promotion, and risk management--that can be used to plan your own NGWSD event. (Contains 1 figure.)