Dunes Ultramarathon

The Dunes Ultramarathon, taking place at Jonathan Dickinson State Park in Hobe Sound, FL, offers an exhilarating challenge for runners on April 26, 2025. Participants can choose between a 50K ultramarathon and a Heavy Half Marathon (14.4 miles), as well as a Kids Run. The course spans over 11,000 acres, featuring diverse terrains such as pine flatwoods, river swamps, and the notorious "Dunes of Heaven" and "Dunes of Hell." This event promises a well-organized experience, pushing runners to their limits while navigating the park's unique natural landscapes.

Registration is currently open, but spots are limited. Visit the organization's website for the most recent information.