Jupiter Ridge Sand Spur
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About the race
Jupiter Ridge Sand Spur is a trail race held at Jupiter Ridge Natural Area in Jupiter, FL, organized by Sand Spur Ultra. The 2026 edition is a Christmas-themed event with holiday treats at aid stations and themed awards to mark the 10th year.
Distances offered:
- 50K : seven loops of an approximately 4.5 mile course
- 30K (Silent Night) : four loops
- Half marathon : three loops
The course uses trails through ancient coastal sand dunes and Florida Scrub habitat, including named dune features and repeated views of the Intracoastal Waterway. The 50K accumulates about 1,400 feet of elevation gain per race and the half marathon about 600 feet. The natural area covers roughly 270 acres and is home to many plant and animal species considered threatened, rare, or of special concern; the event is limited to 80 entrants to reduce environmental impact and is coordinated with Palm Beach County Environmental Resources Management.
Race logistics include two aid stations (start/finish area and roughly 2.25 miles into the loop), a drop bag zone with one small labeled bag allowed, and professional chip timing. The registration policy offers full refund minus the registration platform fee through October 1, 2026, partial or transferable options later, and the option to convert a forfeited fee to a donation to the Palm Beach County Natural Areas Program. Visit the organization's website for the most recent information.