Forbidden Forest 30 Hour Ultra Run

Stratford, United States • 11-12 Oct 2025

The Forbidden Forest 30 Hour Ultra Run is an epic endurance event held in Stratford, Connecticut, offering runners up to 30 hours to complete distances ranging from a marathon (26.2 miles) to 100 miles or more. The course features a challenging 2.23-mile loop with roots, rocky terrain, and a notable hill called "OMG," repeated up to 45 times for the full 100-mile distance. Participants can run, power-hike, or walk, with support from a single aid station providing hydration and snacks. The race fosters a hometown atmosphere with personal aid and rest areas, awards for top finishers, and a special buckle for those completing 100 miles. Limited to 50 entrants, the event supports local organizations and emphasizes community and volunteer involvement. Visit the organization's website for the most recent information.

Race information

30 hr
30 Hour Ultra Run
100 mi
100 Miles
100 km
100k
50 mi
50 Miles
50 km
50k
26 mi
26.2 Miles (marathon)
Visit the organization's website for the most recent information.
Trail runs nearby

The Running Wild at Wildwood is a 2.5-mile trail run/walk held at Wildwood State Park in Wading River, New York. This scenic event takes place rain or shine, offering participants a chance to enjoy the natural beauty of the park while running or walking a well-marked trail. Amenities include live re..

The Tappen Brook 5K, held in Bridgewater, Connecticut, is an annual trail running event hosted by the Bridgewater Land Trust and the Bridgewater Recreation Commission. Set in the scenic Bridgewater Town Park, the course features newly developed trails winding through forested woodlands with gentle h..

The Storybook Half Marathon is a scenic 13.1-mile trail race held in Roosevelt Forest, Stratford, Connecticut. The course consists of eight loops on a 1.64-mile wooded trail featuring singletrack and doubletrack paths with roots, rocks, and gentle hills, offering a charming yet moderately challengin..

The Tesla Hertz Run is an ultramarathon event held in Rocky Point, New York, featuring multiple race distances including 150 miles, 100 miles, 100K, 50 miles, 50K, and 10 miles, with both daytime and nighttime options. The course is a scenic 10.48-mile loop through the pine barrens of Long Island, o..

The Never Stop Running Foundation Great Pumpkin Dash Trail 5K is a scenic trail run/walk held at Blydenburgh County Park in Smithtown, NY. Scheduled for October 12, 2025, this event features a 5K course through shaded trails combining dirt roads and hard-packed paths with some sandy areas, suitable..

The FALL Run The Farm is a 5-mile trail race held at Muscoot Farm in Katonah, New York. Scheduled for October 19, 2025, the event features a main 5-mile race for participants aged 6 to 108, along with two kids' races: one for ages 7-12 and another for children 6 and under. The race showcases the sce..