Courses are subject to change.


At the sound of the gun you will jump into one of the most beautiful, and clean lakes in all of New England. Fed by over 200 springs, Lake Quassapaug will be a treat to your senses. This semi private lake boasts little boat traffic of any kind. The well staffed swim will be a triangle in shape. Quassy beach welcomes you home and sends you on a fun transition run through the Amusement Park.

Swim Course: Olympic

Swim Course: Half


Join us on a journey through the breathtaking Connecticut countryside. Your triathlon bike ride begins by venturing out onto the scenic rolling hills of historic Middlebury. You will be faced with challenging climbs culminating in gorgeous hilltop views. Long winding descents will take you through pastoral vineyards and over Thomaston dam. This engaging triathlon bike ride will take you past Black Rock State Reservoir – a well known nesting site for Bald Eagles. You will be welcomed into some of Connecticut’s richest farmlands. Follow the signs and the cheering voices as you make your way back to transition and Quassy Amusement Park.

Bike Course: Olympic

Bike Course: Half


The Quassy Triathlon course itself is challenging in spots but offers ample flat sections for proper recovery. Whether you are enjoying the scenic view of Lake Quassapaug or the rural beauty of Middlebury, Connecticut’s Historic District this run has something for everyone. The run course gives your family and loved ones plenty of opportunities to view you and cheer you on. Save some energy for the run as you will need it for this course.

Run Course: Olympic

Run Course: Half

NEW for 2018:  2 loop run course