The Hartford Marathon Foundation (HMF) is proud to announce Hartford HealthCare as the title sponsor of the Hartford HealthCare Mystic Half Marathon & 10K. The early Sunday morning race draws more than 2,000 participants to enjoy the beautiful coastline area of Mystic and Stonington over 13.1 or 6.2 mile courses, which will be updated for the May 17, 2020, event. The annual event benefits the local and international charity efforts of the Rotary Club of Mystic, which has raised more than $125,000 since the event began in 2015.