Dirty Dozen 50k

Queens County, United States • 23 Aug 2025

The Dirty Dozen 50K is a challenging ultramarathon held in New York City’s Forrest Park. Participants are tasked with completing a 50-kilometer race that involves running 12 hilly loops, testing both endurance and mental toughness. Known for its difficulty, the event attracts serious trail runners seeking a demanding race experience.

The race begins early in the morning and offers a time limit of 8 hours to complete the course. This event is perfect for those looking to push their limits in a scenic yet tough trail setting. Registration closes shortly before the race date. Visit the organization's website for the most recent information.

Race information

50 km
50k
Visit the organization's website for the most recent information.
Trail runs nearby

The SMR Mayapple Trail Runs, scheduled for May 17, 2025, in South Mountain Reservation, NJ, invites runners to participate in its 16th annual event. Organized by the South Mountain Conservancy, the race features various distances including 5 miles, 10 miles, 20 miles, 50K, and 50 miles, along with a..

The Nassau Suffolk Trail Marathon & 15 Miler is a premier running event taking place in Farmingdale, NY, on May 18, 2025. This event features two main races: a full marathon and a 15-mile trail run, both set in the scenic Bethpage State Park. Participants will enjoy a well-marked course that include..

The Forest Park Runners Classic 4 Mile Road and Trail Race is set to take place on May 25, 2025, at Victory Field Track in Woodhaven, NY. This event features a scenic 4-mile out-and-back course through the beautiful trails and roads of Forest Park. Participants can expect custom technical T-shirts a..

The Sri Chinmoy 24-Hour, 12-Hour, and Midnight Marathon is a scenic ultramarathon event held at Rockland Lake State Park near New York City. Participants can choose between a 24-hour race, a 12-hour race, or a midnight marathon, all taking place on a flat, fast 2.95-mile paved loop around the lake...

Pinky’s Rock n Rolla is a unique trail running event taking place in Richmond Hill, NY. This four-mile race offers participants the chance to experience actual trail running through the scenic Forest Park, featuring natural terrain shaped by glaciation. The event is designed for both newcomers and s..

The Squatchy Surprise is a unique trail running event held at South Mountain Reservation in West Orange, New Jersey. Scheduled for July 26, 2025, it offers 12-hour, 6-hour, and 3-hour race options. The course features four distinct trail loops, with participants drawing colored golf balls before eac..