Race Discovery
Ruth Anderson Memorial Endurance Run
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Ruth Anderson Memorial Endurance Run

San Francisco, California, United States
Oct 10, 2026
Trail running

About this race

The course is a 4.5 mi loop around Lake Merced.

Ready to test your limits? The Ruth Anderson Memorial Endurance Run brings a highly anticipated Ultra, 7.2K to San Francisco on October 10, 2026. Expect a fantastic route right in the heart of California.

Pick your distance

Trail running

50K

Oct 10, 2026 Ultra 7:00 AM
Free
Open

50mi

Oct 10, 2026 Ultra 7:00 AM
Free
Open

Running

Coastal Testing

Oct 10, 2026 7.2K 7:00 AM
Free
Open

Weather Overview

These values represent the 3-year monthly averages for October in San Francisco.

Temp (°C)
Minimum temperature (monthly average) 13.1° / Maximum temperature (monthly average) 19.6°
Feels Like (°C)
Minimum feels like (with wind chill; monthly average) 13.1° / Maximum feels like (with wind chill; monthly average) 19.6°
Wind (km/h)
Average wind speed (monthly average)
17.9
Precipitation (mm)
Average precipitation (monthly average)
0.2mm

About San Francisco

Ruth Anderson Memorial Endurance Run takes place in San Francisco, California, United States. The local timezone is America/Los_Angeles.

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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.

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