Dunes 50k Ultra & Heavy Half

Hobe Sound, United States • 26 Apr 2025

The Dunes 50K Ultra & Heavy Half is an exhilarating running event set in Jonathan Dickinson State Park, Florida, on April 26, 2025. Participants can choose between a challenging 50K course and a Heavy Half (14.4 miles), both traversing diverse terrains across 11,000 acres. Runners will encounter unique natural communities, including prairie wetlands and soft, rolling sugar sand dunes, designed to test their endurance and willpower. The event promises a well-organized experience with limited spots available for registration. This adventure is perfect for those looking to push their limits in a stunning natural setting. Visit the organization's website for the most recent information.

Race information

50 km
50k
14 mi
Heavy Half
Kids Free Fun Run
Visit the organization's website for the most recent information.
Trail runs nearby

The Picnic Island Ultra is an endurance running event scheduled for March 16, 2025, in Jupiter, Florida. Participants can choose from various race formats, including a 10-hour individual event, a 6-hour individual event, and a half marathon. The event takes place on crushed shell rock trails, provid..

Hungryland 100 is an ultra-running event set in the scenic Hungryland Slough Natural Area in Palm Beach County, Florida. This unique race features a 100-mile ultra and a 6-hour race, both traversing a newly designed 14.3-mile loop that showcases diverse ecosystems, including wetlands and pine flatwo..

The JW Corbett Trail Races, taking place in Loxahatchee, FL, offers participants a choice of three challenging distances: 50 Miler, 50K, and 18 Miler. Set in the scenic JW Corbett Wildlife Management Area, the race features a rugged, technical single track trail that showcases Florida's diverse wild..

The Roots & Ruts Off-Road 5K is a fundraising event benefiting Els for Autism®, taking place in Jupiter, Florida. Participants will run or walk through the scenic North Jupiter Flatwoods Natural Area, the first certified autism-friendly trail in Florida. The event includes a Sensory-Friendly Obstacl..

The Trident is an annual trail race event held in Jupiter, Florida, featuring a variety of challenging races designed for endurance enthusiasts. Scheduled for July 26-27, 2025, participants can choose from four unique races: the Nooner Half Marathon, an 18-hour 60-mile race called The Cauldron, a 24..

The Riverbend Ultras 12 HR/50K is a community-focused running event held at Riverbend Park in Jupiter, FL. Participants can choose between a 12-hour race, where they complete as many 3.25-mile loops as possible, or a 50K race, which consists of a combination of loops totaling 31.2 miles. The event e..