[Bethany Beach First Responders Sports Weekend The Bethany Beach First Responders Sports Weekend is on Saturday September 18, 2021 to Sunday September 19, 2021. It includes the following events: 5k Run/Walk (Saturday), 10K (Saturday), Half Marathon (Sunday), Half Marathon 2 Person Relay (Sunday), Half Marathon & 10K "Chief Challenge", and Half Marathon and 5K "Captain Challenge".]