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Ruth Anderson Memorial Endurance Run
Ruth Anderson Memorial Endurance Run logo

Ruth Anderson Memorial Endurance Run

San Francisco, California, United States
Oct 11, 2025
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 11, 2025. Expect a fantastic route right in the heart of California.

Pick your distance

Trail running

50K

Oct 11, 2025 Ultra 4:00 AM
Free
Closed

50mi

Oct 11, 2025 Ultra 4:00 AM
Free
Closed

Running

Coastal Testing

Oct 11, 2025 7.2K 4:00 AM
Free
Closed

Weather Overview

These values reflect historical conditions on the race dates in San Francisco in 2025, from Open-Meteo archive data.

Temp (°C)
Minimum temperature (monthly average) 13.4° / Maximum temperature (monthly average) 19.3°
Feels Like (°C)
Minimum feels like (with wind chill; monthly average) 13.4° / Maximum feels like (with wind chill; monthly average) 19.3°
Wind (km/h)
Average wind speed (monthly average)
23.4
Precipitation (mm)
Average precipitation (monthly average)
0.0mm

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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