Forbidden Forest 30 Hour Ultra Run

OCT
3-4
2026
Take on Forbidden Forest, a 30 hour timed trail ultra in Roosevelt Forest, Stratford CT, with distances from 26.2 to 100 miles plus on a repeated 2.23 mile loop. Expect roots, rocks and hills, small fields, pavilion aid and finisher buckles.
3-4 Oct 2026
26.2 Miles 50k 50 Miles 100k 100 Miles

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Event overview

Forbidden Forest is a timed trail ultra held at Roosevelt Forest in Stratford, CT (700 Peters Lane). The event gives entrants up to 30 hours to complete as many miles as they wish on a repeated loop course. Entry is limited to a small field (25/50 TBD participants). Registration is final; there are no refunds, bib transfers, or race deferrals. Participants must be at least 18 years old or have a parental/guardian signed waiver.

Distances offered

  • 26.2 miles
  • 50K
  • 50 miles
  • 100K
  • 100 miles or more

Course, aid and rules

The course is an irregular loop of 2.23 miles per lap with a maximum elevation gain of 201 feet per loop. Terrain includes roots, rocks, rolling hills and one larger hill referred to as "OMG." The route will be marked with flags and signs. The pavilion serves as the sole aid station, providing hydration, GU, snacks, and scheduled food items including sandwiches and pizza. Overnight camping is not allowed per town ordinance. Parking is limited; larger vehicles are directed to a side lot and RVs are not permitted. Earbuds with music and hiking poles are permitted. One pacer is allowed per runner at a time; pacers must register and sign a waiver. Awards include medallions and finisher buckles; completing 45 loops within 30 hours earns the finisher buckle and 100-mile achievement is recognized when reached. Race winners are determined by most miles completed in the 30-hour period. Visit the organization's website for the most recent information.

100 mi
100 Miles
100 km
100k
50 mi
50 Miles
50 km
50k
26 mi
26.2 Miles