The Blue 2 Blue Challenge

West Rock, United States • 4 May 2025

The Blue 2 Blue Challenge is a demanding 50K trail race set in New Haven, Connecticut, known for its challenging terrain and technical trails. Participants will navigate some of the toughest trails in the state, including the Regicides and Quinnipiac Trails, with a total elevation gain of approximately 6,350 feet. The race features an out-and-back course with multiple aid stations, and a strict 10-hour cutoff time. Designed for experienced runners, participants must have completed a qualifying trail 50K within the past year. The event promises a unique challenge, with exclusive hoodies and trucker hats for participants. Visit the organization's website for the most recent information.

Race information

50 km
6350 m+
50k
Visit the organization's website for the most recent information.
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