Flatrock

Flatrock : Dacula, Georgia (Oct 17, 2026)

Flatrock takes place in Harbins Park near 2995 Luke Edwards Rd, Dacula, GA. The event offers trail race options and a combined challenge. Registration is capped; the event sold out the last three years. Registration closes Sat, Oct 10 at 11:59 PM ET.

Distances and course

• 50K
• 13.2 miles (half/half loop)
• 50/50 Challenge (50 miles total)

The 50K consists of two 13.2-mile loops and one 5.2-mile loop. The half consists of one loop. The route runs on undulating single-track trails through wooded areas. Trails are described as non-technical with short hills that generally take a minute or two to climb. Aid stations are located on the course and are accessible to spectators and crew.

Cutoffs are listed as: 50K - 9 hours; 13.2 - 5 hours; 50/50 - 9 hours strict cutoff. For the 50/50 Challenge entrants must complete the full 50 miles within the 9-hour cutoff for the 50K to receive credit; otherwise no credit is awarded. Organizers note that no one has officially completed the 50/50 Challenge to date and one runner has come close.

Logistics, awards and entry policy

All entrants receive a race item. 50/50 Challenge finishers receive a shirt upon completion. Complimentary race photos will be available. Awards are given to the top three male and female finishers in each race and include free entry to the following year. Full-entry race credit is available until 7/1; a half-entry race credit option is available until 9/1. Bib transfers are allowed. Visit the organization's website for the most recent information.