This ain't your Mothers 50k

This ain't your Mothers 50k & Trail Marathon is an annual trail running event held in Middleburg, Florida, within the scenic Jennings State Forest near Jacksonville. The race features multiple distances including a 50K, trail marathon, 12K, and 7K. The courses traverse the diverse Pioneer Trail, known for its unique terrain uncommon in Florida, including technical and vertical sections, waterfalls, stream crossings, and scenic vistas overlooking Black Creek Ravines.

The 50K is an out-and-back route covering all trail sections, while the marathon covers a portion with added mileage. The event emphasizes fun and enjoying nature, with time limits of 11 hours for the 50K and 10 hours for the marathon. Visit the organization's website for the most recent information.