The Blue 2 Blue Challenge
West Rock, United States • 3 May 2026
Event overview
The Blue 2 Blue Challenge is presented as a 50K trail event in New Haven, CT. The course is described as an out-and-back starting at West Rock Playground and follows Westville Feeder Trail up to the Regicides Trail, then connects to the Quinnipiac Trail. The organizer states the route includes about 6,350 feet of climbing and mostly technical, rocky terrain. The course description mentions summiting Mt. Sanford near mile 12 and a turnaround in Prospect at Cornwall Ave, with a finish back at Amrhyn Field at about mile 32.8.
Course details and rules
Aid stations are listed at approximate miles 4, 8.1, 11.5, 16.4 (turnaround, drop bag), 21, 24.5 and 28.5; the mile 4 and 28.5 stations are water only. One drop bag will be shuttled to the turnaround and should be small. The event enforces a strict 10-hour overall cutoff and intermediate cutoffs requiring arrival at the turnaround (mile 16) within 4.5 hours and at mile 24 within 7 hours. Pacers and crews are not allowed, and runners receiving outside aid may be disqualified. Registration is managed via a waitlist and requires proof of a recent qualifying trail 50k or comparable race. Visit the organization's website for the most recent information.