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 in Hamden, Connecticut. The event offers two distances:

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

Entry fees vary by registration period, with posted tiers for each distance. A portion of registration proceeds supports the Sleeping Giant Park Association. The organizer’s refund policy states there are no refunds or transfers of entries.

Course and logistics

Each loop starts and finishes at the park pavilion. The 25K loop includes a mix of terrain: the first 5 miles are mostly runnable rolling singletrack with some small rock scrambles, then a steep headwall rock scramble gaining about 500+ feet in roughly 0.3 miles. The course continues through rolling singletrack to the Chestnut Trailhead aid station at mile 8, a central 4-mile section of moderate to harder technical terrain including part of the White Trail, a climb 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) provide water, Hyle Hydration electrolyte drink, and typical food items. The event is cupless - runners must carry their own bottle, pack, or cup. A GPX file of the 25K loop is available. Parking is available just inside the park entrance and along 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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