2026 Dunes 50K Ultra and Heavy Half
The 2026 Dunes 50K Ultra and Heavy Half takes place on April 25, 2026, in the Hobe Sound and Tequesta area of Florida, specifically within Jonathan Dickinson State Park. Participants can expect typical late April weather in this region, with average high temperatures reaching the mid-80s (°F) and high humidity, alongside a strong possibility of afternoon thunderstorms. This event is a trail running experience that traverses over 11,000 acres of raw Florida wilderness, featuring 16 unique natural communities. The defining characteristic of the course is the relentless, soft sugar sand dunes, creating a mentally and physically demanding endurance challenge rather than a fast-paced race.
What is the name and date of the event?
The event is the 14th Annual Dunes 50K and Heavy Half, scheduled for April 25, 2026.
Where is the event located?
The event is held in the Hobe Sound / Tequesta area at Jonathan Dickinson State Park, Florida, USA.
What distances are available for this event?
- →Dunes 50K — 50 kilometers
- →Heavy Half — 25K / 14.4 miles
What is the course terrain like?
The course runs through Jonathan Dickinson State Park, covering over 11,000 acres of raw Florida wilderness. The terrain passes through 16 unique natural communities, including prairie wetlands and the signature dunes of Heaven and Hell. The defining challenge is the soft, rolling sugar sand dunes that drain energy with every step.
What is the primary challenge of this course?
The primary challenge is the sugar sand dunes—loose, soft sand that is relentless on legs and lungs, demanding serious mental fortitude. This is a grind-focused, endurance-heavy trail experience rather than a fast course.
Who organizes this event?
The event is organized by Down to Run, which is known for a strong endurance community culture and expert course planning.
Is registration currently open?
Registration is open. Participants should check the official Down to Run website for current registration status and pricing.
Are spots limited for this event?
Yes, spots are limited for both the 50K and Heavy Half distances.
What is the focus of this event for participants?
This event is a technical, mentally demanding trail race in Florida with a community-driven atmosphere, distinguished by its unique sand dune sections that create a "suffer-fest" compared to typical regional trail races.