Loading view. Running Races in Darien, CT Find runs and races near you with our Darien, CT running calendar. Find your next 5K, 10K, half marathon, road race, trail run, marathon, ultra, and everything in between. Today 9/18/2022 Sun, September 18, 2022 - 5/5/2024 Now Select date. September 2022 Darien Road Race In-Person RaceSun, September 18, 2022 Darien, CT 1.5 Mile, 5 Mile November 2022 Run With the Saints In-Person RaceSun, November 6, 2022 Darien, CT 5K April 2023 Bunny Boogie In-Person RaceSat, April 8, 2023 Darien, CT 3 Mile Previous Events Today Next Events