July 23, 2017. Wrentham, Massachusetts. This friendly sprint triathlon returns for its tenth year! The race is welcoming to beginners, youth/junior triathletes and paratriathletes. 1/4 mile swim, 9 mile bike, 3.1 mile run. The swim is in a calm lake, bike and run provide moderate hills through Franklin, Norfolk, and Wrentham. Free tech tee and finisher medals. Top 3 finishers in each category will also be recognized with place medals.