HALF-DISTANCE TRIATHLON WESTERN MASSACHUSETTS Experience one of North America's fastest HALF-DISTANCE triathlon swim courses in Western Massachusetts! The point-to-point swim in the Connecticut River, ranked 4th fastest, begins at North Riverfront Park and concludes 1.2 miles south at Riverfront Park. With an average water temperature of 67°F (19°C), this swim promises a swift start. The 56-mile bike ride features hilly terrain with fewer turns and smoother pavement, transitioning from urban ...