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Traprock 50

Simsbury, United States • 18 Apr 2026

Event overview

The Connecticut Traprock 17 & 50k Ultramarathon is a trail running event that offers two distances: 17 km and 50 km. The race is scheduled for the Saturday before the Boston Marathon; the organizer listed the 2026 race day as Saturday, April 18, 2026. Organizers also announced that registration opens on Thanksgiving Day.

Course and history

Past editions and related training runs have been held at Penwood State Park in Bloomfield, Connecticut. The event page lists multiple past training runs and course previews at that park, and the organizer presents the race as a recurring community event. Visit the organization's website for the most recent information.

United States Connecticut Simsbury

Race information

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50 km
50k
17 km
Visit the organization's website for the most recent information.
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