Blue 2 Blue Challenge

Event Details

Date: Sunday, May 4, 2025

Start Time: 7:00 AM

Location: 495 Blake St, New Haven, CT

Website: Register Here

Race Overview

Known as CT's hardest 50K, the course boasts technical trails and a substantial elevation gain, making it a true test for seasoned runners. Expect around 6,350 feet of climbing!

Aid Stations

There will be multiple aid stations along the course, ensuring necessary refreshments:

• Mile 4 and 28.5 (Water ONLY)
• Mile 8.1 and 24.5 (Brooks Rd)
• Y Camp at miles 11.5 and 21
• Turnaround in Prospect at mile 16.4 (Cornwall Ave)

Important Notes

This is not a beginner’s race. Participants are required to have completed a trail 50K within the past 12 months to register. The race has strict cutoffs at various points, and no pacers or crews are allowed.

Registration

Registration for the waitlist is currently open. This is to vet participants with prior qualifying races.