Trails To the Sky 50k/10k

Trails To the Sky is a trail running event held at Voorhees State Park in Glen Gardner, New Jersey. Scheduled for Saturday, May 16, 2026, the race features a 10k loop format where 50k participants complete five laps. The course is notable for passing the park's astronomical observatory and offers a mix of runnable terrain and significant vertical gain.

The event is managed by CTW Endurance and serves as a UTMB Index Race, providing runners with qualifying potential for international series.

Voorhees State Park is located in Hunterdon County, characterized by deciduous forests and rocky terrain. The Observatory: The course passes one of the largest private telescopes in New Jersey, situated at a high point within the park. Trail Surface: While described as "runnable," the trails are subject to mud during rain. Runners are advised to prepare for wet sections and potential technical footing. Markings: The route is marked with yellow arrow signs and orange lawn flags to guide runners through the repeating loops.

The race headquarters is located at the Voorhees State Park group reservation area. Athlete Setup: 50k runners have a dedicated area near the finish line to set up personal gear and pop-up tents, which they can access after every 10k lap. Aid Stations: Located at mile 3 and at the start/finish. Supplies include Skratch electrolytes, water, soda, fruit, and snacks like cookies, pickles, and pretzels. Timing: Manual timing via the Ultrasignup app requires bibs to be clearly visible at each lap crossing and the final finish line.