Loading view. Running Races in Haddam, CT Find runs and races near you with our Haddam, CT running calendar. Find your next 5K, 10K, half marathon, road race, trail run, marathon, ultra, and everything in between. Today 9/4/2022 Sun, September 4, 2022 - 9/7/2024 Now Select date. September 2022 Haddam Neck Fair 5K In-Person RaceSun, September 4, 2022 Haddam, CT 5K October 2023 Pumpkin Run 5K In-Person RaceSun, October 29, 2023 Haddam, CT 5K, Kids Run Previous Events Today Next Events