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Ruth Anderson Memorial Endurance Run

Name: Ruth Anderson Memorial Endurance Run
Start: 2026-10-10
End: 2026-10-10
Location: Lakeshore

Lakeshore, United States • 10 Oct 2026

Ruth Anderson Memorial Endurance Run

The Ruth Anderson Memorial Endurance Run takes place at Lake Merced in San Francisco, California. The event utilizes a circular course around the lake, starting from the parking lot located on the north side of Lake Merced Boulevard. The route consists of a 4.5-mile loop that participants follow to complete their chosen distance.

The event offers several distance options for participants:

50K ultra marathon
50 Miles ultra marathon
4.5 Miles coastal testing run

The course is set within a recreational area and provides a consistent loop format for those undertaking the endurance distances. Participants follow the paved pathway that circles the perimeter of the lake. Visit the organization's website for the most recent information.

United States California Lakeshore

Race information

Website

100 km

100k

50 mi

50m

50 km

50k

Visit the organization's website for the most recent information.

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