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Dunes 50K Ultra

Hobe Sound, United States • 25 Apr 2026

Dunes 50K Ultra & Heavy Half

This event takes place at Jonathan Dickinson State Park in Hobe Sound, Florida. It offers two main running distances: a 50K and a Heavy Half (14.4 miles). There is also a free kids fun run.

The courses go through 16 different natural communities within the park's over 11,000 acres. The terrain includes prairie wetlands, dunes known as "Heaven and Hell," and soft, rolling sugar sand dunes. Spots for the 50K and Heavy Half races are limited.

The event organizer states there are no refunds or transfers for registrations. Visit the organization's website for the most recent information.

United States Florida Hobe Sound

Race information

Website Registration
50 km
50k Ultra
Heavy Half
Kids Free Fun Run
Visit the organization's website for the most recent information.
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