Sleeping Giant Trail Runs

Hamden, United States • 29 Mar 2026

Event overview

Sleeping Giant Trail Runs takes place on March 29, 2026, at Sleeping Giant State Park, 200 Mt Carmel Ave, Hamden, Connecticut. The event, organized by Steep Endurance, offers these distances:

  • 25K
  • 50K (two loops of the 25K course)

Event fees are listed from about $65 to $95 depending on registration period. Registration closes on Fri, Mar 27 at 11:59 PM ET. A portion of registration proceeds will go to the Sleeping Giant Park Association. The event has a no-refund, no-transfer policy.

Course and race details

Each loop starts and finishes at the park pavilion. The park contains 30+ miles of trails including carriage roads and technical singletrack. The 25K loop includes more than 3,000 ft of vertical gain. Course features include roughly 5 miles of mostly runnable rolling singletrack, a steep "head wall" rock scramble gaining 500+ feet in about 0.3 miles, an aid station at the Chestnut Trailhead near mile 8 (visited again near mile 12), ascent on the Quinnipiac (Blue Trail) to the Observation Tower, a 1.5 mile carriage-road descent on the Tower Path, and about 0.2 miles of pavement back to the pavilion.

Aid stations (2-3 on course) will provide water and Hyle Hydration electrolyte drink plus typical food items. The event is cupless; runners must carry their own bottle, pack, or cup. Finisher medals are provided by Ragged Cuts and there are awards for the top three overall male and female finishers. Parking is available inside the park and on the north side of Mount Carmel Avenue. Visit the organization's website for the most recent information.

Race information

50 km
50k
25 km
3000 m+
25k
Visit the organization's website for the most recent information.
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