This ain't your Mothers 50k

Location: Middleburg, FL, on the Sandridge Trail in Jennings State Forest. The S.O.S. endurance event uses a roughly 2.75‑mile loop for multiple timeframes: 9K and 3-, 6-, and 12-hour options.The race features a cupless policy, so participants bring their own handheld bottle or hydration vest. There..

The Emerald Trail event in Jacksonville, Florida, features a 5K Run/Walk and a 10K Run, held in the Lavilla School area downtown. It offers participants scenic routes through the city, supporting fundraising efforts for the Emerald Trail. The event welcomes runners and walkers of all ages, with disc..

Halloween Havoc at Dunn Cemetery is a 3.75-mile out-and-back trail race held on the Pioneer Trail in Jennings State Forest near Middleburg, Florida (1335 Long Horn Rd). Runners traverse a relatively flat loop that passes Dunn Cemetery at the 2-mile mark, under a moonlit sky with glow sticks lining t..

The Festivus 100 Miler Trail Run, held in Middleburg, Florida, offers multiple race distances including 100 miles, 50 miles, 35 miles, 14 miles, and 7 miles. This event caters to a wide range of trail runners, from ultra-distance athletes to those seeking shorter challenges. The race takes place on..

The Sombrero Ultra Running Festival (SURF) is an endurance running event held in Middleburg, Florida, at the Clay County Regional Sports Complex. It offers a variety of timed race options including 3, 6, 12, 24, and 48-hour runs, accommodating runners from first-time ultramarathoners to seasoned ath..

The Angry Tortoise 50K and 25K trail runs take place in the scenic flatwoods of Cary State Forest near Jacksonville, Florida. Celebrating its 13th anniversary in 2026, this event offers a flat course on forest roads, making it ideal for newcomers to ultra and trail running. Participants benefit from..