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Jupiter Ridge Sand Spur

Oceanside Terrace, United States • 27 Dec 2025

Jupiter Ridge Sand Spur is a winter ultramarathon in Jupiter, Florida, set in the Jupiter Ridge Natural Area, a protected coastal scrub dune site in Palm Beach County. The 9th edition offers Lunacy 30k Night Run (four 4.5-mile loops, about 18 miles with ~1,000 feet of dune climbing), Lunacy 50k (day half marathon plus 30k night, ~50k total), and Lunacy 50 Miler (day 50k plus night 30k, ~50 miles with ~3,000 feet gain). The OG 50k and Half Marathon return. An 80-runner cap protects the habitat. Finisher medals, top awards with hourglasses, chip timing, aid stations, and drop bags complete the package. Visit the organization's website for the most recent information.

United States Florida Oceanside Terrace

Race information

Website Registration
50 mi
3000 m+
Lunacy 50 Miler
50 km
2000 m+
50k
50 km
2000 m+
Lunacy 50k
30 km
Lunacy 30k Night Run
21 km
800 m+
1/2 Marathon
Visit the organization's website for the most recent information.
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