Los Mugrosos Trail Run 10K

Whittier Narrows, United States • 13 Jun 2026

Los Mugrosos Trail Run – 5K (and Kids Run)

Los Mugrosos Trail Run takes place on June 13, 2026, at Whittier Narrows Natural Area in South El Monte, CA. The event includes a main trail race and a separate short run for children, held in a natural setting with tree lined trails and open paths.

The main race is a single-loop 5K (3.1 miles) described as beginner-friendly. The kids run covers roughly 200 to 400 meters and is intended for children aged 3 to 12. The event features music and a community atmosphere and places emphasis on outdoor activity and family participation.

Registration information is provided for each race. Registration for the 5K opens April 13, 2026, and closes May 1, 2026; the listed registration fee for the 5K is $40 and prices increase after April 30. Registration for the kids run opens April 13, 2026, and closes June 12, 2026. Visit the organization's website for the most recent information.

  • 5K (3.1 miles) single-loop trail, beginner friendly
  • Kids run (~200–400 m) for ages 3 to 12

Race information

3 mi
Visit the organization's website for the most recent information.
Trail runs nearby

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