This ain't your Mothers 50k

JAN
25
2026
Read all about the This ain't your Mothers 50k on 25 Jan 2026 in Middleburg.
Sun 25 Jan 2026
50 kilometers Marathon 12 kilometers 7 kilometers

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About the race

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.

50 km
50k
Marathon
Trail Marathon
12 km
12k
7 km

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