Hunter S. Thompson Fear & Loathing
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Hunter S. Thompson Fear & Loathing
The Hunter S. Thompson Fear & Loathing is an annual ultramarathon in San Francisco, CA, scheduled for December 6, 2026. The 2026 edition is listed as the 41st running since 1985. Entry for the event is free and there is no overall participant limit.
The event offers multiple race options:
- 50K
- 50 mile
The 50 mile race includes an overall cutoff of 11 hours and a checkpoint located at 25 miles with a time cutoff. Aid stations are provided along both courses: four on the 50K and six on the 50 mile. Surface conditions are primarily urban: the 50K is about 99% city streets, while the 50 mile course includes about 20% sections where parallel trail options exist.
Elevation details are substantial for an urban course: total ascent and descent are each about 3,600 feet. The highest point listed is 847 feet at Twin Peaks and the lowest is 10 feet at Marina Green. Start and finish elevations are both listed at 766 feet at Twin Peaks. Recorded best times on the course include 3:40:54 (1988) and 4:29:00 (2020) for the 50K, and 6:13:54 (1990) recorded in the 50 mile category.
The event history shows results and participation data recorded across many years since 1985, with varying field sizes and finish rates. Visit the organization's website for the most recent information.
