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Start/Finish at the north end Lake Merced Parking Lot (foot of Sunset Blvd). Run 3 clockwise loops around the lake staying entirely on jogging/pedestrian path. The 1st loop is cut shorter by crossing the “drawbridge” east to west at the southern end of the lake. There will be at least 1 aid station per 4.5 mile loop with Water/Nuun near the start/finish area. If you need water more often, please carry a water bottle to refill at each loop. There is also a water fountain in the parking lot near the picnic tables on John Muir Dr around 2.5 miles.

How to enter the Lake Merced Half Marathon & 4.5 Mile Run

  1. 4.5 Miles

    Run 4.5mi
    $3–$5
    Event passed
  2. Half Marathon

    Run 13.1mi
    $8
    Event passed

Training Plans by Let's Do This - Lake Merced Half Marathon & 4.5 Mile Run

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Lake Merced Half Marathon & 4.5 Mile Run routes

Lake Merced Half Marathon & 4.5 Mile Run weather forecast

Clear throughout the day.

69°F
Predicted highs
57°F
Predicted lows
IconLight breeze possible, up to 7mph

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