Logo

Ruth Anderson Memorial Endurance Run

Lakeshore, United States • 11 Oct 2025

The Ruth Anderson Memorial Endurance Run is a prestigious running event held annually in San Francisco, California, since 1986. This endurance race features multiple distances, including 50 miles, 100 kilometers, and 50 kilometers, attracting runners of various skill levels. The course consists of a 4.475-mile paved bike path with dirt shoulders, offering a scenic yet challenging route. Participants can enjoy aid stations and a supportive atmosphere as they strive to complete their chosen distance. The event honors Ruth Anderson, a pioneer in ultrarunning, and continues to foster a sense of community among endurance athletes. Visit the organization's website for the most recent information.

United States California Lakeshore

Race information

Website
50 mi
2488 m+
50m
Visit the organization's website for the most recent information.
Trail runs nearby

Mt. Tam Wild Boar Half Marathon

Mill Valley - 12 mi from Lakeshore

The Mt. Tam Wild Boar Half Marathon and 10K is an annual running event held at Mt. Tamalpais State Park in Mill Valley, California.Celebrating its 37th year in 2025, the race features scenic coastal ridge trails with stunning views of the Pacific Ocean and surrounding landscapes. Participants can ch..

No Foolin' Foot Race

San Carlos - 20 mi from Lakeshore

The No Foolin' Foot Race, organized by the Parks and Recreation Foundation of San Carlos, invites participants to explore the scenic trails of San Carlos in its third annual event. Runners can choose between a challenging 5k and 10k course, featuring significant elevation gains, or a 1-mile course f..

Animal Run 10k

Richmond - 16 mi from Lakeshore

The 2025 Animal Run features a 10k race, along with a 5k, Canicross, and a 2-mile walk, all taking place at 900 Dornan Drive, Richmond, CA. This event serves as a fundraiser for Rancho Compasión, promoting a community of athletes dedicated to animal kindness and environmental awareness. Participants..

Miwok 100K

Stinson Beach - 14 mi from Lakeshore

The Miwok 100K is a renowned trail ultramarathon celebrated for its stunning scenery, featuring views of San Francisco, the Golden Gate Bridge, and the majestic redwoods. The course, which includes 11,800 feet of elevation gain, combines single-track trails and dirt roads, making it both challenging..

Grizzly Peak Trail Run

Berkeley - 15 mi from Lakeshore

...

The Grizzly Peak Trail Run is an exciting running event taking place at Lake Anza in Tilden Regional Park, Berkeley, CA. Scheduled for May 10, 2025, it features multiple race distances including a 10K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under...

Nitro Trail

San Pablo - 18 mi from Lakeshore

Nitro Trail 2025 is an exciting running event taking place at Point Pinole Regional Shoreline Park in San Pablo, California. Participants can choose from three race distances: a half marathon, 10K, and 5K, making it suitable for runners of all levels. The event celebrates the park's transformation f..