Lake Merced ½ Marathon and 4.5 Mile Run
Lake Merced ½ Marathon and 4.5 Mile Run is listed for September 27, 2026 in San Francisco, California, United States. Distances: Full Marathon, Half Marathon, 4.5 Miler.
Race day
27
Sep 2026
Lake Merced ½ Marathon and 4.5 Mile Run is listed for September 27, 2026 in San Francisco, California, United States. Distances: Full Marathon, Half Marathon, 4.5 Miler.
Provenance ledger
Every fact, and where it came from
| Field | Value | Source | Updated |
|---|---|---|---|
| Date | Sunday 27 September 2026Active.com · 24 May 2026 | Active.com | 24 May 2026 |
| Start time | Not confirmedCheck the official source | Check the official source | - |
| Distances | Full Marathon · Half Marathon · 4.5 MilerActive.com · 24 May 2026 | Active.com | 24 May 2026 |
| Location | San Francisco, California, United StatesActive.com · 24 May 2026 | Active.com | 24 May 2026 |
| Start area | San Francisco, CA, United StatesConfirm the exact start with the organizerActive.com · 24 May 2026 | Active.com | 24 May 2026 |
| Entry price | Not confirmedCheck the official source | Check the official source | - |
| Course | RoadActive.com · 24 May 2026 | Active.com | 24 May 2026 |
| Official website | active.comOrganizer · 24 May 2026 | Organizer | 24 May 2026 |
| Listing | Verified listingSunday Marathon review · 24 May 2026 | Sunday Marathon review | 24 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.
Report a correctionAbout this race
Source-verified marathon-family event. Official or registration source: http://www.active.com/san-francisco-ca/running/distance-running-races/lake-merced-marathon-and-4-5-mile-run-2026. MarathonGuide discovery page: https://www.marathonguide.com/races/run/lake-merced-marathon-and-45-mile-run-1/details/. Verified evidence: external source: Lake Merced ½ Marathon and 4.5 Mile Run - San Francisco, CA 2026 EventsRunningRunningCouch to 5K5K10KHalf MarathonMarathonSee AllOutdoorOutdoorCam...
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
Lake Merced ½ Marathon and 4.5 Mile Run belongs on the shortlist when you are comparing Full Marathon, Half Marathon, 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
Lake Merced ½ Marathon and 4.5 Mile 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
Lake Merced ½ Marathon and 4.5 Mile Run is currently listed for September 27, 2026, which makes the September 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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