Dunes 50K Ultra
Hobe Sound, United States • 25 Apr 2026
Event overview
The Dunes 50K Ultra & Heavy Half is scheduled for April 25, 2026 in Hobe Sound, FL at Jonathan Dickinson State Park. The event lists the following distances:
- 50K
- 13.1 (half distance)
- Kids free fun run
The event location is given as 16450 S.E. Federal Highway. Registration is listed as closing on April 25, 2026. The organizer notes that spots for the 50K and Heavy Half are limited.
Course and rules
The courses run through Jonathan Dickinson State Park across more than 11,000 acres and 16 natural communities. The route includes prairie wetlands and large sugar sand dunes described as soft and rolling. The event notice states there are no refunds and no transfers; vouchers will be honored until March 27, 2025. Visit the organization's website for the most recent information.