Celebrating its 25th year, this Marlborough, CT race has launched countless triathletes toward their goals and remains a popular stepping stone for athletes ready to level up. Choose from the Sprint distance (600-yard swim, 2-loop rolling hills bike, 5K lake run with aid at town hall) or the Super Sprint option (200-yard swim, 5.5-mile bike, 1.7-mile run) if you're new to triathlon, plus there's a relay division available. Bike racks are first-come, first-served, waves are organized by gender, and online registration ($35-$65) closes at 4pm on race day.