Dunes 50K Ultra

APR

24

2027

Trail races at Jonathan Dickinson State Park in Hobe Sound, FL, featuring a 50K, a Heavy Half and a kids' free fun run across dunes, wetlands and varied natural communities; entries for longer races are limited and no refunds are allowed.

Sat 24 Apr 2027

Hobe Sound, Florida

Website

50 kilometers 14 miles 13 miles

Always double-check with the organizer's website! This page may contain affiliate links.

Dunes 50K Ultra & Heavy Half

This event takes place at Jonathan Dickinson State Park in Hobe Sound, FL, with a listed address of 16450 S.E. Federal Highway. Courses run through more than 11,000 acres and traverse 16 distinct natural communities, including prairie wetlands and areas called the Dunes of Heaven and Hell.

Trails include soft, rolling sugar sand dunes and other natural terrain typical of the park. The organizer describes the course as demanding and notes that the route has been planned and managed by an event team. Entry is limited for the longer races.

Additional event information published by the organizer includes a registration opening date of Sun. Aug 2, 2026 at 12:00 AM ET. The event policy states no refunds and no transfers; vouchers are noted as honored until 3/27/25.

Distances offered: Visit the organization's website for the most recent information.