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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.

United States Florida Hobe Sound

Race information

Website Registration
50 km
50k
13 mi
13.1
Kids Free Fun Run
Visit the organization's website for the most recent information.
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