Adventure Trail Run

OCT

3

2026

A 12 hour trail event at Prince William Forest Park near Triangle, VA, run on a 6.5 mile figure eight loop with 650 feet of elevation gain per loop. Options include a 30 km race, a 12 hour entry, and a 2 person relay.

Sat 3 Oct 2026

Triangle, Virginia

Website

30 kilometers

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Adventure Trail Run : Prince William Forest Park

The event is a 12 hour trail run held at Prince William Forest Park near Triangle, VA. It is organized by Athletic Equation Trail Series and lists options including a 30 km race, a 12 hour individual entry, and a 2 person relay. The field is limited to 100 runners.

The course is a 6.5 mile looped figure eight on 100% trails, using a different set of trails than the organizer's 24 hour event. Trail surfaces include single track and fire road. The approximate elevation gain and loss is 650 feet per loop. Terrain features include undulating hills with ascents and descents, as well as rocks and roots; the surface can be dirt and may become muddy in wet conditions.

There are two aid stations on course. The primary aid station is at the start and finish area and supplies a range of food options for participants and crews. The secondary aid station provides water only. The 12 hour event concludes with an awards ceremony and a post-race meal for participants and crews.

Distances and formats Visit the organization's website for the most recent information.