Six Great Triathlons and Three Great Runs

2023 will be our 38th year! Over 200 events and over 37,000 participants. The Hare Family directs the races with co-directors Ruth Bullock and Karen Meyer.

Register for any of our triathlons during our early bird special pricing, and be entered into winning a free night’s stay at the beautiful Middlebury Inn the night before your race.

Look for Vermont Sun events’ extensive photo coverage at Pat Hendrick Photography and our triathlon video found under the athlete section.

Vermont Sun Half Marathon, 10k, 5k

May 14, 2023

5k, 10k, & Half-Marathon
Lake Dunmore, Vermont

Vermont Sun Triathlon

June 18 (USAT State Championship Race), July 16(USAT High School State Championship Race), and August 13, 2023

600 yard Swim | 14 mile Bike | 3.1 mile Run
Aqua Bike Option – 600 yard Swim | 14 mile Bike
Lake Dunmore, Vermont

Branbury Classic

July 16, 2023

1.5 mile Paddle | 14 mile Bike | 3.1 mile Run
Aqua Bike Option-1.5 mile Paddle | 14 mile Bike
Lake Dunmore, Vermont


Lake Dunmore Triathlon

June 18 (USAT State Championship Race) & August 13, 2023

.9 Mile Swim | 28 mile Bike | 6.2 mile Run
Aqua Bike Option -.9 Mile Swim | 28 mile Bike
Lake Dunmore, Vermont

Supporting local youth sports, the Brandon Fire Department, Branbury State Park and Lake Dunmore Fern Lake Association’s “Lakes are Alive” campaign

Please pass on my thanks to all the people that made the Lake Dunmore Tri such a great experience! I really enjoyed the entire course. The swim was spectacular…from a person that frequently swims the Potomac, Lake Dunmore is cool and crystal clear! 
– Nick, 2019