IRONMAN 70.3 Western Massachusetts Published on June 10, 2023 Embrace the urban beauty of Springfield and picturesque hills of New England at IRONMAN 70.3 Western Massachusetts. Enjoy a 1.2 mile downstream swim in the Connecticut River, a rolling 56 mile bike ride through the rural roads of New England, and a 13.1 mile run that takes you along the riverside and finishing in downtown Springfield. Tagged as: , Business & Economy