The Blue 2 Blue Challenge

MAY

3

2026

This 50k trail run connects Connecticut's technical Regicides and Quinnipiac Trails. The challenging out-and-back course features significant climbing and a strict 10-hour cutoff. The event does not allow pacers or crews and enforces intermediate time limits at aid stations.

Sun 3 May 2026

Woodbridge, Connecticut

Registration

50 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

The Blue 2 Blue Challenge

The Blue 2 Blue Challenge is a 50k trail run event in New Haven, CT. The course is an out-and-back route starting at West Rock Playground. It connects two of Connecticut's technical "Blue" trails: the Regicides Trail at West Rock and the Quinnipiac Trail. The route includes sections of the Westville Feeder Trail and passes landmarks such as High Rock, Mad Mare Ridge, Mt. Sanford, and Roaring Brook Park.

The course has a significant amount of climbing and technical terrain. Aid stations are located at multiple points along the route. The event has a 10-hour cutoff, with specific intermediate cutoffs at the turnaround point and later aid station. Crews and pacers are not allowed. Runners are permitted one drop bag, which will be transported to the turnaround point. Visit the organization's website for the most recent information.

50 km

50k