MINI MARATHON MYRTLE BEACH 13.1 Miles, 5K, 1 Mile & Doggie Dash October 16-17, 2021 Register Now MINI MARATHON MYRTLE BEACH 13.1 Miles, 5K, 1 Mile & Doggie Dash October 16-17, 2021 Register Now MINI MARATHON MYRTLE BEACH 13.1 Miles, 5K, 1 Mile & Doggie Dash October 16-17, 2021 Register Now