Petty Officer 1st Class Elias Hernandez, special warfare operator, assigned to the Naval Special Warfare Center, motivates athletes during the Navy SEAL Fitness Challenge at Surrey Downs Park. The Navy SEAL Fitness Challenge is a free event designed to promote fitness among Americans and mirrors the entry test for Navy SEAL training, which consists of a 500-yard swim, push-ups, sit-ups and pull-ups followed by a 1.5-mile run.