Ruth Anderson Memorial Endurance Run
Ruth Anderson Memorial Endurance Run is listed for October 10, 2026 in San Francisco, California, United States. Listed distances: 50 Miler, 50K, 4.5 Miler. Confirm the date, registration and travel details with the official organizer before you book.
About this race
RunSignup listed events: 50K - ultra - 50K; 50mi - ultra - 50 Miles; Coastal Testing - running_race - 4.5 Miles. The course is a 4.5 mi loop around Lake Merced.
Key facts
- Date
- October 10, 2026
- Events
- 50 Miler, 50K, 4.5 Miler
- Surface
- Road
- Official source
- Registration page & official site
- Listing status
- updated May 21, 2026
Before you register
- 1Confirm the race-day schedule
Verify the October 10, 2026 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.
- 2Pin the exact start area
Use California as the planning region, then confirm the precise start, finish, parking and transport with the organizer.
- 3Pick your distance
Listed options are 50 Miler, 50K, 4.5 Miler. Check the source for current per-distance availability and limits.
- 4Review entry terms
Read entry rules, refund terms, participant limits and transfer rules before you pay.
Runner reviews
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