Loading view. Running Races in Windsor, MA Find runs and races near you with our Windsor, MA running calendar. Find your next 5K, 10K, half marathon, road race, trail run, marathon, ultra, and everything in between. Today 7/7/2023 Fri, July 7, 2023 - 5/3/2024 Now Select date. July 2023 Notchview Ultra In-Person RaceFri, July 7, 2023 - Sat, July 8, 2023 Windsor, MA Ultra Previous Events Today Next Events