This event is in the past.It took place on December 7, 2025 at Twin Peaks.
Track
TrackA no-frills urban ultra that's been dragging runners through San Francisco's hills since the '80s. Choose 50 miles or 50K on a single-loop course hitting Twin Peaks, Marina Green, and Coit Tower—3,600 feet of climb, all on city streets.
Urban ultramarathon
Free entry
Street running
Hilly course
Tips
🚗aid is volunteer-run from parked cars, not guaranteed
⏱️11-hour cutoff; miss mile 25 and you're on the 50K
Hunter S. Thompson Fear & Loathing
Midtown Terrace
TrackTrackA no-frills urban ultra that's been dragging runners through San Francisco's hills since the '80s. Choose 50 miles or 50K on a single-loop course hitting Twin Peaks, Marina Green, and Coit Tower—3,600 feet of climb, all on city streets.
Urban ultramarathon
Free entry
Street running
Hilly course
Tips
🚗aid is volunteer-run from parked cars, not guaranteed
⏱️11-hour cutoff; miss mile 25 and you're on the 50K
Make it an outing
Add nearby spots before or after your event