Jack Bristol Lake Waramaug Ultra Races

The Jack Bristol Lake Waramaug Ultra Races, taking place on April 27, 2025, is a celebrated ultra-running event in Connecticut, marking its 51st anniversary. This historic race features three distances: 100K, 50 miles, and 50K, all set around the scenic Lake Waramaug. Participants can expect well-stocked aid stations, post-race food, and unique finisher's medals and T-shirts.

The course is primarily flat and paved, ideal for personal records. The event is part of the Mount to Coast 100K Series, with awards for top finishers and special recognition for completing multiple races in the series. Visit the organization's website for the most recent information.