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SundayMarathon

Ultra · 50 Miler

Ruth Anderson Memorial Endurance Run

Ruth Anderson Memorial Endurance Run is listed for October 10, 2026 in San Francisco, California, United States. Distances: 50 Miler, 50K, 4.5 Miler.

Race day

10

Oct 2026

Saturday
In 18 days

Ruth Anderson Memorial Endurance Run is listed for October 10, 2026 in San Francisco, California, United States. Distances: 50 Miler, 50K, 4.5 Miler.

Provenance ledger

Every fact, and where it came from

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FieldValueSourceUpdated
Date Saturday 10 October 2026RunSignup · 21 May 2026 RunSignup 21 May 2026
Start time Not confirmedCheck the official source Check the official source -
Distances 50 Miler · 50K · 4.5 MilerRunSignup · 21 May 2026 RunSignup 21 May 2026
Location San Francisco, California, United StatesRunSignup · 21 May 2026 RunSignup 21 May 2026
Start area Lake Merced Blvd Parking Lot (North), San Francisco, CA, 94132Confirm the exact start with the organizerRunSignup · 21 May 2026 RunSignup 21 May 2026
Entry price Not confirmedCheck the official source Check the official source -
Course RoadRunSignup · 21 May 2026 RunSignup 21 May 2026
Official website runsignup.comOrganizer · 21 May 2026 Organizer 21 May 2026

Source is where this listing’s facts came from. Where a field could not be confirmed we leave it blank rather than guess.

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Is this race a fit?

These notes are generated from listed Sunday Marathon race facts. They are meant for shortlisting and planning, not as a replacement for official organizer instructions.

Best For

Runners comparing road race options

Ruth Anderson Memorial Endurance Run belongs on the shortlist when you are comparing 50 Miler, 50K, 4.5 Miler options around San Francisco, California, United States and want the key date, location, registration, and course facts in one place.

Watch For

Confirm entry details before paying

A registration path is listed; review entry rules, refund terms, and transfer policies before paying.

Decision Signal

Good choice only after source confirmation

Ruth Anderson Memorial Endurance Run should be evaluated as a full race-weekend choice in San Francisco, California, United States, not only as a date on a calendar. Start with road surface.

  • Date And Schedule

    Ruth Anderson Memorial Endurance Run is currently listed for October 10, 2026, which makes the October planning window important for training and travel. Recheck official timing before race week.

  • Location Base

    Plan around San Francisco, California, United States, then verify the exact start area, finish area, packet pickup, and post-race exit route before booking non-refundable travel.

  • Course Fit

    Listed course signals include road surface. Use them to compare effort, pacing risk, and training fit before relying on the race for a specific goal.

  • Entry Readiness

    A registration path is listed; review entry rules, refund terms, and transfer policies before paying.

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