2018-09-15 Seaside Semper Five 5K Seaside Semper Five 5K September 15, 2018 Seaside Semper Five 5K Join us for the fifth edition of the Seaside Semper Five Charity 5K Run/Walk and 1 Mile Fun Run along the ocean in Seaside Heights, New Jersey on September 15, 2018! Register now as donations will benefit the Marine Raider Foundation.