runsignup.com

Los Mugrosos Trail Run – 5K & 10K

location_on

South El Monte, California, United States

calendar_today 13 Jun, 2026

directions_run Running

sell $10.00 – $45.00

About the Event

Join us for a one-of-a-kind outdoor experience at the beautiful Whittier Narrows Natural Area! The Los Mugrosos 5K & 10K brings together runners, families, and outdoor enthusiasts for a scenic run through tree-lined trails, open paths, and natural surroundings.

Whether you’re chasing a PR or just looking to enjoy a fun day outside, this event is built for all levels. Expect a laid-back, high-energy atmosphere with music, community vibes, and a strong focus on getting people outdoors.

Races Offered

10k

Jun 13, 2026

straighten

Distance — 6.1 Miles

terrain

Type — Running

timer

08:00

sell

$45.00

5k

Jun 13, 2026

straighten

Distance — 3.1 Miles

terrain

Type — Running

timer

08:15

sell

$35.00

Kids run

Jun 13, 2026

straighten

Distance — 200m

terrain

Type — Running

timer

09:30

sell

$10.00

Weather Overview

These values represent the 3-year monthly averages for June in South El Monte.

Temp (°C)

Feels Like (°C)

thermostat 14.5° / 28.3°

wb_sunny 14.8° / 26.5°

Wind (km/h)

Humidity (%)

air 7.4 /

water_drop 66.9%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 14.5° / 28.3°

wb_sunny 14.8° / 26.5°

air 7.4 km/h

water_drop 66.9%

About South El Monte

Learn more about the host city, South El Monte.

South El Monte is a city in the San Gabriel Valley, in Los Angeles County, California, United States. At the 2020 census, the city had a population of 19,567, down from 20,116 at the 2010 census.