HALF-DISTANCE TRIATHLON WESTERN MASSACHUSETTS This triathlon offers a unique blend of urban and rural landscapes, challenging courses, and ideal race day conditions. Swim Course - Course: Point-to-point in the Connecticut River - Start: North Riverfront Park - Finish: Riverfront Park (1.2 miles south) - Recognition: 4th fastest IRONMAN 70.3 swim course in North America - Average Water Temperature: 67°F / 19°C Bike Course - Distance: 56 miles - Terrain: Hilly with mild climbs and descents - ...