The 16 Hour Lock-in

Event Overview

The 16 Hour Lock-In is a timed running event held at Carolina Beach State Park near Wilmington, North Carolina. Participants have 16 hours to complete as many laps as they want on a 4.5-mile loop. There is no DNF (Did Not Finish) designation.

Course Details

The course is a 4.5-mile loop through a coastal maritime forest with views of the Cape Fear River. The trail surface is a mix of dirt, sand, pine straw, and roots, with one small section of road. The trails are described as groomed, wide, and relatively flat, with two hills per loop approximating 100 feet of total climb. The course direction alternates yearly; this year's event is run clockwise. The route is well-marked.

Event Format and Rules

The event functions as a "Lock-In" because the state park gate closes at 7:00 PM. Participants remaining past that time must either be registered campers or arrange for pickup outside the park entrance. A headlamp or similar light source is required for anyone running past 5:30 PM. The race is cup-free; participants must bring their own refillable hydration vessel.

Aid and Facilities

Each loop passes through the start/finish area where participants can access a sheltered drop bag area, bathrooms, and a fully stocked aid station. The aid station provides water, Tailwind, and a variety of salty, sweet, and savory snack foods. Two hot meals are served, one at lunch and one at dinner, with vegan and gluten-free options available if requested in advance.

Camping Information

Camping is available only for registered campers who plan to stay past the 7:00 PM gate closure. A limited number of 10x10 primitive campsites at the group campsite (adjacent to the race course) are available for purchase during registration. These sites include overnight parking. Alternatively, participants can make their own reservations at the park's family campground, located less than a mile from the course.

Participant Items and Awards

All participants receive an event T-shirt. Every official finisher receives a finisher patch. Additional patches are awarded for recognized race distances: 13.1, 26.2, 50k, 50 mile, and 100k. A buckle is awarded for 100-mile finishers. The top three finishers (most miles in 16 hours) in the Male, Female, and Non-Binary divisions receive awards. Visit the organization's website for the most recent information.